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->''"Is there a [[TheBully Tannen]] in ''every'' century!?"''
-->-- '''[[Film/BackToTheFuture Marty McFly]]''', ''WesternAnimation/BackToTheFuture [[AnimatedAdaptation The Animated Series]]''

Family members tend to look like each other. Normally, this follows bloodline - you tend to look a lot more like your parents than you do your second cousin, for example. Generally, only identical twins can pass for each other, and even then developmental influences can make noticeable differences.

Media, on the other hand, are a little loose with the rules. Especially when it gives the chance to put an actor into a totally new role, or reuse a character design. You see the reuse version in animation from both the East and West because it is pretty easy to just slap a wig on the guy and call him a new person.

While the IdenticalGrandson can marginally argue that it is not unknown for direct descendants to bear uncanny resemblance to a forebear, the idea gets ''very'' shaky for other relations. When a show tries to pass off a male actor in drag as their visiting aunt, or when somehow a character resembles the man who ''adopted'' their great-great-grandfather, it gets flat out weird and hence is usually played up for comedic value. There is a bit of a sub-genre films that rely on this gag. Eddie Murphy has done a number of them.

See also: ActingForTwo, or with YouALLLookFamiliar, which is more of an EnforcedTrope. Compare StrongFamilyResemblance, where both relatives are parent and child.

----
!!Examples:

[[foldercontrol]]

[[folder:Anime & Manga]]
* ''LightNovel/BakaAndTestSummonTheBeasts'': Minami's little sister, Hazuki, looks like a miniature version of her.
* In ''Manga/{{Bakuman}}'', Moritaka looks very similar to a younger version of his uncle.
* ''Manga/{{Bleach}}'':
** Rukia is nearly identical to her older sister Hisana Kuchiki, right down to favoring the same hairstyles. This stands out because Hisana abandoned Rukia as an infant and then died before the pair could ever be reunited. The uncanny resemblance is lampshaded in the manga itself when it's revealed Byakuya's original lie for adopting Rukia was her resemblance to his dead wife.
** Ichigo's striking resemblance to Kaien Shiba is noted by Rukia, Ukitake, and Byakuya--who points out that it's ridiculous to get sentimental over because the two are not related. [[spoiler:Byakuya is wrong. Ichigo's father, Isshin ''Shiba'', was Kaien's uncle, so Ichigo and Kaien are first cousins.]]
* In ''Manga/{{Naruto}}'', Gaara's mother Karura and her younger brother Yashamaru have essentially the same face and hair. They look alike so much that they were mistaken for HalfIdenticalTwins by fandom.
* In ''Manga/FairyTail'', Hoteye, the man with the polygonal face, mentions he had a missing younger brother, who is later revealed to be [[spoiler:the even more polygonal Wally from a previous arc]].
* In ''Manga/FruitsBasket'', Ayame and his brother Yuki have been mistaken for each other [by a minor character]. A picture of Ayame when he was in high school seems to just be a palette-swapped Yuki with longer hair.
* In ''Manga/KatekyoHitmanReborn'', there's an example that gets into the flat out weird category (and isn't played for laughs). Xanxus, who [[spoiler: isn't actually supposed to be blood related to the Ninth]] is almost a clone of the Second Vongola Boss. {{Lampshaded}} by other characters [[http://www.onemanga.com/Katekyo_Hitman_Reborn/226/08/ here]]. As they say, his temperament, abilities, and even ''looks'' are the same. Makes you wonder [[spoiler: if he really isn't the Ninth's love child]]...
** And then there's Tsuna, who (thankfully) [[UglyGuysHotDaughter doesn't look like his father]], and instead looks exactly like his ancestor, [[{{Bishonen}} Vongola Primo]].
** [[spoiler: Uni]], her mother and her [[IdenticalGrandson grandmother Luce]]. To the point of approaching GenerationXerox.
* The 2008 special of ''Anime/DragonBallZ'' reveals that Vegeta has a younger brother who looks like a much younger version of him.
* Subaru from ''Anime/MagicalGirlLyricalNanohaStrikerS'' looks almost exactly like her [[spoiler:adopted]] sister [[spoiler:Nove, [[AllThereInTheManual who was also cloned from Quint]]]], with only her hair color being different, to the point where someone she has only just met immediately guesses that they're related.
* The [[NoNameGiven Tomokane siblings]] in ''Manga/GAGeijutsukaArtDesignClass'' do not only look alike-- [[http://static.tvtropes.org/pmwiki/pub/images/TheTomokanes.jpg Nodamiki one said the older Tomokane as a "bleached Tomokane-kun" in episode 12]]-- but both were voiced by Creator/MiyukiSawashiro, hence upgrading from StrongFamilyResemblance to this. Even so, they are also [[SiblingYinYang quite different]]...
* All of the Nurse Joys and Officer Jennys are identical to each other in ''Anime/{{Pokemon}}''. The only way you can distinguish them is by the symbol on their hats. The ''Black & White'' series introduced the Don Georges, who are likewise best identified by the trim on their clothes.
** Brock/Takeshi, his father, and his siblings. Some of them have their mother's skin tone or hair color/texture, though.
* The two Nitori siblings from ''Manga/WanderingSon'' look almost exactly like each other, especially when [[TransSexual Shuuichi]] grew her hair into a bob like her sister. At several points once Shu grows her hair out, you can mistake her for her sister (or the other way around). Shu's boyish body has started to look different from her sister's due to puberty though, she's taller than her and more square.
* The ''Anime/PrettyCure'' franchise has a few sibling characters who look like their Cure siblings:
** In ''Anime/YesPrettyCure5'', Komachi and her older sister Madoka look nearly identical (to the extent that, when several characters meet Madoka for the first time, they mistake her for Komachi). Their mother has never appeared, so whether she looks the same as well is unknown.
** In ''Anime/HeartcatchPrecure'', [[spoiler:Tsubomi]] gets her baby sister Futaba in the final episode who looks like a baby version of her big sister.
** An odd case in ''Anime/DokiDokiPrettyCure''. [[spoiler:The princess Marie-Ange splitted her heart in two, which became Aguri and Regina, respectively, and her body became Ai-chan who looks like a baby version of her. Aguri and Regina have nearly identical hair, especially when Aguri's bangs are down, just with different hair colors. Regina and Ai-chan have blue eyes like Marie-Angu, but Regina's eyes can turn red and Aguri is the one with red eyes.]]
* In ''Manga/SoulEater'', the resemblance between Asura and Death the Kid is probably down to [[spoiler:them being the 'sons' of [[TrulySingleParent Shinigami]]. While their father doesn't look human, he apparently used the same [[HumanoidAbomination 'human']] [[EeriePaleSkinnedBrunette appearance]] twice over for his two 'fragments'.]]
* Yuki and Yumi from ''LightNovel/MariaSamaGaMiteru'' look like genderswaps of each other. Due to the fact they're the same age fans commonly mistake them for HalfIdenticalTwins but they're not. Yumi and Yuki were only born in the same year.
* [[spoiler:Tsubasa Ohzora and his ''14-years younger'' brother Daiichi]] in ''Manga/CaptainTsubasa''.
* In ''Manga/OnePiece'', Luffy and Ace look remarkably alike and even have the same mannerisms (though Ace is politer) [[spoiler:despite being adoptive brothers. Though it is implied that they are related distantly due to both having the "D" initial in their names]]. Luffy's appearance is also similar to that of his grandfather Garp, who is basically an older, brawny version of Luffy with graying hair and a beard.
* Yui and Ui Hirasawa from ''Manga/KOn'' aren't twins (Yui is older) but for some reason are very similar in appearance. This has helped at least twice in the series: the first time when Ui attempts a TwinSwitch with her sick sister and the second time when Yui basically uses Ui as a living 3D mirror to test out looks for her yearbook photo.
* Haru and Yuuzan have this in ''Manga/MyLittleMonster''. It's easy to identify them as brothers, but it's also easy to tell them apart.
* In ''Manga/{{Eyeshield 21}}'', it's revealed that [[BloodKnight Gaou]] has a little brother and little sister. Gaou's sister looks like a normal elementary-school girl, but Gaou's brother looks just like a miniature version of him, right down to the muscles and the mane of AnimeHair.
[[/folder]]

[[folder:Comicbooks]]
* {{Inverted}}: SpiderMan and his clone Ben Reilly pretended to be cousins with an uncanny resemblance. Peter's wife Mary Jane came up with the explanation for their resemblance, specifically referring to ''The Patty Duke Show''.
* [[http://en.wikipedia.org/wiki/Tweedledum_and_Tweedledee_(comics) Tweedledum and Tweedledee]] of Franchise/{{Batman}} lore are identical cousins.
* ''ZippyThePinhead'', his wife Zerbina, kids, EvilTwin Lippy, and other members of his extended family are all microcephalics who wear muu-muus.
* There was a {{Superman}}-related mini-series in the 90s called ''The Kents'', which examined the lives of the ancestors of the Kent family. One story showed how one of Jonathan Kent's ancestors, Nathaniel Kent, was a pioneer who was largely responsible for turning the state of Kansas into the breadbasket it is today. A fine story, but the artist bizarrely chose to make Nathaniel Kent be a dead ringer for Superman, even though Superman has no blood relation to the Kent family (or any human being) whatsoever. Being, you know, an ''alien'' and all. Partially justified as the frame for this story is Clark reading the Kent family's memoirs, so it could all be in his mind -- and then later stories (mostly involving time travel) established Nathaniel really did look like that. More justifiably, Nathanial's father Silas looks a lot like Pa Kent with a moustache.
* In the ComicBook/DisneyDucksComicUniverse, most adult members of the Duck and [=McDuck=] families are basically [[DonaldDuck Donald]] with accessories (beards, hairdos, [[TertiarySexualCharacteristics bows]] ect.). The same can be observed when you compare Huey, Dewey and Louie with all other Duck and [=McDuck=] kids.
* {{Goofy}} has a huge extended family. Just about every single family member, male ''and'' female, looks almost exactly like him, only with one or two minor visual details to set them apart.
* {{Agent 13}}: Sharon Carter, erstwhile girlfriend to Captain America, strongly resembles her aunt (World War II resistance fighter and Cap's wartime girlfriend) Peggy, though the two were originally written as sisters before being retconned into being niece/aunt.
* {{Quicksilver}} and his nephew, [[YoungAvengers Speed]].
[[/folder]]

[[folder:Fan Fic]]
* ''Fanfic/TangledUpInBlues'': Due to a "magical condition", foals in one generation in Taffy's family happen to be identical. It's a humorous justification for the abundance of duplicate background ponies in the original ''WesternAnimation/MyLittlePonyFriendshipIsMagic''. Also used to justify Blues' name (canonically, it's "Noteworthy", according to the toys); Noteworthy is merely somepony who happens to look just like him.
[[/folder]]

[[folder:Film]]
* One of the greatest and most successful examples of this trope is the black and white comedy film ''Film/KindHeartsAndCoronets''; Alec Guiness plays all 8 members of the D'Ascoyne family. The same film also includes another less dramatic example: Dennis Price, who plays the protagonist, also plays the protagonist's father in a couple of flashbacks.
* The Eddie Murphy remake of ''The Nutty Professor,'' where Murphy plays ''every'' member of the title character's family. Though at least in this case he's wearing fat suits to disguise pretty much all his features for the different roles.
** This aspect of the movie has become the default parody for cheesy comedians who specialise in broad humour. In [[Series/ThirtyRock 30 Rock]], Tracy Jordan is the star of ''The Chunks'', and ''Film/TropicThunder'' features a [[RealTrailerFakeMovie fake trailer]] for ''The Fatties 2'', starring Jack Black's character.
* In the ''Film/BackToTheFuture'' {{movies}}, Michael J. Fox played not only hero Marty [=McFly=], but Marty's two future children (Marty Jr. and Marlene), and his great-great-grandfather Seamus from Ireland. He also posed as Marty's great-grandfather William in a photograph. And Lea Thompson played both his mother Lorraine and his ''paternal'' great-great-grandmother Maggie. The producers have since joked that [=McFly=] men are just genetically predisposed to be attracted to women who look like Lea Thompson.
** Biff Tannen, his great-grandfather Buford "Mad Dog" Tannen, and grandson from the 2015 part of the second, Griff Tannen, are all played by Thomas F. Wilson. This is taken UpToEleven in the animated series, where ''every'' time they visit has an identical ancestor or descendant of Biff, always voiced by Wilson.
* ''StrangeBrew'' briefly does this half-way through the movie. Dave Thomas didn't just play Doug, but his father (with MelBlanc dubbing over his voice), and RickMoranis didn't just play Bob, but his ''mother'' (with a woman dubbing over his voice)!
* A variation appears in ''Literature/TheMouseThatRoared''. In the opening sequence, we're introduced to the Grand Duchess, Prime Minister, and Tully Bascombe, all played by Peter Sellers. The narration explains that these disparate residents of the Duchy of Grand Fenwick look like each other because they are all descendants of the country's founder, who was ''literally'' the father of his country (the statue we see of him is clearly a likeness of Sellers).
* ThePrisonerOfZenda
* In the sex comedy ''Live Nude Shakespeare'', the same actress plays two identical sisters, one a sophisticated socialite, the other a backwoods bumpkin.
* After playing Dante Hicks in ''Film/{{Clerks}}'', Brian O'Halloran also played characters with the surname Hicks in ''Film/{{Mallrats}}'' and ''Film/{{Dogma}}''. It's not explicitly stated that they're related, though, so the ContinuityNod might just be a way to HandWave the uncanny resemblance.
** WordOfGod says they're cousins.
* In most of TylerPerry's movies, Perry dresses in drag to play Madea, Madea's brother (not in drag but with a lot of makeup and a wig) and another character (no makeup), who is usually related to Madea.
* In the 1950s ''Film/StTrinians'' movies, Alastair Sim played both the school's headmistress, Miss Fritton, and her disreputable brother. Rupert Everett did the same in the 2007 ReBoot.
* Tia and Tamera Mowry as Sydney Donovan and Sydney's grandmother de-aged to seventeen in the Disney Channel movie SeventeenAgain.
* Jim Dale as Eli, Wild Billy, AND Jasper Bloodshy in ''HotLeadAndColdFeet''.
* Creator/AdamSandler plays both Jack and his twin sister Jill in ''JackAndJill''.
* In ''Film/AustinPowers'', while they don't look ''too'' similar because of all the makeup, the same actor plays two characters who are revealed as long-lost brothers in the third movie. [[spoiler:It's Mike Myers as Austin and Dr. Evil.]]
* In the movie adaptation of Fred Vargas' novel ''Wash This Blood Clean From My Hands'', both Jean-Baptiste Adamsberg and his younger brother RaphaŽl are played by Jean-Hugues Anglade, which is especially noticeable in the scenes where they talk together as they have the same voice.[[spoiler: This is perfectly intentional, as Retancourt makes use of the resemblance between the two in order to help Jean-Baptiste escape from the Canadian cops.]]
* In the 1954 UK film ''Mad About Men'' Glynis Johns portrays both the free-spirited mermaid (returning from 1948's ''Miranda'') and stuffy schoolteacher Caroline. The characters shared a great-grandfather.
* In "Film/CoffeeAndCigarettes", Cate Blanchett plays herself and her cousin Shelly in a segment called Cousins.
[[/folder]]

[[folder:Literature]]
* In the fifth book in LMMontgomery's ''Literature/AnneOfGreenGables'' series, ''Anne's House of Dreams'', a woman who hates her husband is left caring for him for years after he suffers brain damage. [[spoiler:Later he has an operation and recovers his memory--and turns out not to be her husband at all but her husband's cousin. The book explains that the cousins were double cousins, and one set of parents (either their mothers or fathers) were actually identical twins. The cousins looked very much alike, but were easy to tell apart if they were seen together. The wife had never met the cousin, however, and had only heard her husband mention him once. The book also admits that he had changed a lot after his accident and didn't look much like either he or his cousin used to.]]
* In ''Literature/ThePrisonerOfZenda'', one of the kings of {{Ruritania}} has an affair with an English noblewoman, who bears his child. Several generations later, one of that child's descendants bears an uncanny resemblance to the current King of Ruritania, leading to an EmergencyImpersonation.
** In the 1979 comic film version with PeterSellers, he plays King Rudolf IV in the opening sequence; once that character dies, he plays both Rudolf V and Syd, the working-class chap who bears the uncanny resemblance. It is implied that Syd was the result of an affair Rudolf IV had.
* In ''The Secret History'', narrator Richard Papen is in love with Camilla, one half of a fraternal pair of twins. She and her twin, Charles, look virtually identical ... and when Richard finds out they're [[BrotherSisterIncest a little too close]], he's titillated by the thought. Eew.
* The post-finale ''StarTrekDeepSpaceNineRelaunch'' novels reveal that Gul Macet, played by Marc Alaimo in ''Series/StarTrekTheNextGeneration'', is a cousin of Alaimo's ''[[Series/StarTrekDeepSpaceNine Deep Space Nine]]'' character Gul Dukat.
* In ''Discworld/{{Mort}}'', Princess Keli closely resembles her great-great-grandfather, despite being a pampered princess rather than a yurt-dwelling horse barbarian.
** In ''Discworld/TheLastHero'', Paul Kidby's painting of High Priest Hughnon Ridcully is basically Archchancellor Mustrum Ridcully with a better-trimmed beard and a [[NiceHat bishop's hat]].
*** Possibly justified, as their mannerisms and attitudes are so clearly parallel that there's a good chance they really are identical twins.
* In ''[[{{Nightside}} Sharper Than A Serpent's Tooth]]'', John Taylor resembles his older male relatives, so much so that [[spoiler: John's late father, resurrected to meet his grown son for the first time, points out John's resemblence to ''his'' father]].
* In ''Literature/TheHoundOfTheBaskervilles'', the late Sir Charles' wayward brother is said to have resembled a family portrait of Lord Hugo, a distant ancestor, to an uncanny degree. [[spoiler:Could be considered a ChekhovsGun, as the brother's secret son is the villain of the story, and both shared Lord Hugo's inclination toward evil.]]
* Harry and James Potter of the ''Literature/HarryPotter'' series.
** And Harry is rather disturbed when he learns that the resemblance was purely physical, as James was a JerkJock, more like Malfoy than Harry, despite being on the good side.
* In the ''Literature/HonorHarrington'' books, Michael Oversteegen greatly resembles his relative, the infamous Baron High Ridge. Oversteegen is, however, otherwise the complete opposite of his relative, being a man of integrity, honor, bravery, and general all-around badassitude who has zero patience for either High Ridge or his various other idiotic relatives who [[{{Nepotism}} somehow wound up in positions of power]] in the High Ridge government.
** Meanwhile, Albrecht Detweiler is stated to bear an uncanny resemblance to all of his sons. Of course, in ''this'' case, the reason is because [[spoiler: they are all his clones. Just as he was a clone of his father.]]
* Emmanuel from ''Literature/{{Malevil}}'' describes his Uncle Samuel, noting that in doing so he also describes himself.
* In the ''Ghosts of Literature/FearStreet'' book ''Horror Hotel Part 1,'' the protagonist discovers that he looks almost identical to a distant relative who's been dead for years. This is bad news, because it turns out that relative was a murderer and his victim's ghost [[PsychicAssistedSuicide is out for revenge]].
* An Uncanny Semi-Family Resemblence: The ancient Greek story ''Aethiopica'', King Hydaspes and Queen Persinna of Ethiopia cast out their infant daughter Chariclea because she is [[ChocolateBaby white]]. After many adventures, it is revealed that she is, in fact, the perfect image of a picture of Andromeda that her mother had looked at while she conceived, and so Chariclea really is their daughter with "maternal impression" explaining her looks.
* In ''Literature/JeevesAndWooster'', Honoria Glossop's cousin Heloise Pringle not only looks exactly like her but has the same exact personality, to the point where Bertie is severely creeped out.
* In Creator/GeneStrattonPorter's ''Literature/{{Freckles}}'', he and his uncle resemble each other strongly.
-->''The likeness settled any doubt. It was Freckles over again, only older and well dressed.''
* In ''Literature/TheWomanInWhite'', Laura and Anne, who resemble each other strongly, [[spoiler:turn out to be half-sisters]].
* In WenSpencer's ''Literature/{{Tinker}}'', Tinker and Oilcan look more like siblings than cousins.
* In Creator/RuthFrancesLong's ''Literature/TheTreacheryOfBeautifulThings'', Jenny was always described as Tom's minature, though their jokes about changing places were only jokes. Even after seven years in the LandOfFaerie, Jack can see Tom's resemblance.
* In Creator/ErinMorgenstern's ''Literature/TheNightCircus'', a five-year-old Celia is clearly Hector Bowen's child.
[[/folder]]

[[folder:Live-Action TV]]
* ''ThePattyDukeShow'': Patty Duke has an identical cousin.
** Frequently spoofed. ''FullHouse'' occasionally subverted this by having one of the Olsen twins play Michelle and the other play a cousin from Greece.
** Similarly, during the mid-1980s, ''KidsIncorporated'' had Renee Sands play her [[TheDanza character of the same name]] as well as British cousin Samantha on a couple of episodes.
* Larry "Grand-Ma-Ma" Johnson, in commercials and in ''FamilyMatters''.
** Also in ''Family Matters'', Jaleel White playing Steve Urkel, and his cousin Myrtle.
* On ''Series/{{Mash}}'', Gary Burghoff once played Radar's mother in a home movie.
* Ally Larter on ''Series/{{Heroes}}'' played Nikki Sanders, a hero with super strength and multiple personalities. After [[spoiler: Nikki was killed in season two]], Larter went on to play [[spoiler: Tracy Strauss, who had the ability to freeze objects and who was apparently Nikki's twin sister. There was supposedly a third "twin", Barbara, but she has not been seen and it is unsure whether she has powers.]]
* ''{{Blackadder}}'': Each of the four series featured a member of the Blackadder family in a different historical era, all played by Creator/RowanAtkinson. Baldrick, Melchett and George were given the same treatment. Specifically, Edmund Blackadder's Scottish cousin [=MacAdder=] appeared in the episode "Duel and Duality".
* ''Series/StarTrekTheNextGeneration'':
** The half-Romulan Sela is the daughter of Tasha Yar, and an excuse to give Denise Crosby another role in the show.
** Brent Spiner plays Data, Lore, B4, ''and'' Dr. Soong. Justified in that the first three are androids, and Soong was their creator. Spiner came back on ''Enterprise'' and played, yes, Dr. Soong's grandfather.
** Picard's nephew is identical to him as a child, obviously because they're both played by the same actor. This gets funnier when Picard says that his nephew looks exactly like his brother as a child, which would seem to indicate that Jean-Luc and Robert were identical non-twin brothers. A more cynical viewer might start wondering just how close Jean-Luc and his sister-in-law were around the crucial time.
* In ''Series/StarTrekTheOriginalSeries'' William Shatner played Kirk's brother George Samuel Kirk in one episode. The only distinction between both characters was that George had a mustache.
* In ''TheBeverlyHillbillies'', cast regular Max Baer Jr. would occasionally show up as Jethro Bodine's female cousin Jethrine (voiced by Linda Henning).
** Dietrich Bader did the same as Jethro and Jethrene in the 1993 movie.
* In the ''DiagnosisMurder'' episode "Inheritance of Death", Creator/DickVanDyke played most (if not all) of the elderly members of the Nash family.
* Freema Agyeman had a minor role as Adeola in the series 2 finale of ''Series/DoctorWho''; when she was subsequently cast as the Doctor's new companion, Martha, a line of dialogue referenced her cousin Adeola.
** Also done with Eve Myles, who first appeared in an episode centered around Charles Dickens. Myles was later cast as Gwen Cooper in the spin-off {{Torchwood}}. When the Torchwood cast appeared on Doctor Who, it's explained that the earlier character is a distant relative of Gwen's.
* Elizabeth Montgomery as witchy cousins Samantha and Serena on ''Series/{{Bewitched}}''.
* In ''TheManFromUNCLE'' first season episode "The Bow-Wow Affair", series regular Leo G. Carroll played both his regular role as U.N.C.L.E. chief Alexander Waverly, and a one-time role as Waverly's cousin, Quentin Lester Baldwin.
* Ricky Gervais and Stephen Merchant comment upon this trope in behind-the-scenes material for ''{{Series/Extras}}'', musing on introducing a sister for Gervais' character in the show's sitcom-within-the-sitcom -- played by Gervais, with the only difference being an alternate pair of glasses. Indeed, the sister appeared in this manner in the ''Extras Christmas Special''.
* Jeannie and Sister Jeannie on ''IDreamOfJeannie'' in what was essentially a straight-up lift of Samantha and Serena in ''Bewitched''.
* In ''Series/ThePersuaders'' episode "A Death in the Family", Roger Moore plays three members of his usual character's family, including a woman. This is Lampshaded at the end when Danny Wilde's aunt arrives, played by... his co-star Tony Curtis.
* The short-lived 1960s sitcome ''TheSecondHundredYears'' featured Monte Markham as both modern day urbanite and his crotchety old grandfather, an Alaskan gold miner who had been trapped in the ice for 67 years, and recently thawed.
* ''AllMyChildren'''s Lily and Ava, identical ''half''-sisters.
* In ''Allo, 'Allo'', Rene is supposed to be shot dead by the Germans but manages to wrangle his way out of it. The explanation? He spends the rest of the series posing as his identical twin brother, also called Rene. Of course half the cast know the truth but they never let slip to the other half.
* In ''Series/BlakesSeven'' Tarrant is revealed to have a brother who looked exactly like him for no apparently reason and [[spoiler: is killed off in the episode he is introduced in without even meeting Tarrant despite having been separated for years]].
* In ''Series/TwinPeaks'' Laura Palmer and her dark-haired cousin Madeline (a nod to ''Vertigo'') are both played by Sheryl Lee.
* In a few live-action segments of ''TheSuperMarioBrosSuperShow'', Mario and Luigi were visited by many relatives who all looked like them (for example, their mother was obviously Mario's actor in drag).
* On ''KyleXY'', Kyle is identical to his father Adam and Jessi is identical to her mother Sara, and well-cast adult actors were given to justify this. Both characters could have ''easily'' been clones, given the circumstances of their gestations, but each was later given the other biological parent.
* The Mayor from ''Series/BuffyTheVampireSlayer'' exploits this trope the same way as Robert Gadling above. Oddly it seems that he's pretty much always been Mayor and no one ever caught on.
** Well, demon sacrifices aside he IS a really good Mayor...
* In ''Series/QuantumLeap'', Scott Bakula plays is character's own father (albeit in makeup) in the episode ''The Leap Home''.
** In the pilot episode, another actor played his father at a younger age, while a different young actor played Sam, with Scott Bakula's voice dubbed in whenever he spoke.
** Bakula also played his father in one scene in the episode "Promised Land" when Sam Leaped into someone else in his hometown.
* ''MarriedWithChildren'': Marcy [[strike:Rhoades]] D'Arcy's cousin, Mandy. Ed O'Neill also played Al Bundy's father in a couple of dream sequences.
** BUD: Identical cousins. There's no such thing. PEGGY: Well, sure there is! Samantha and Serena; Patty and Kathy...
* The villain in "Reign of Terror", an episode of ''Series/TheTimeTunnel'' set in the FrenchRevolution, is played by Whit Bissel, a series regular as General Kirk, the military head of the Time Tunnel project. Kirk is confused as his family is from Scotland, but eventually discovers there was a previously unknown French branch.
* ''Series/ADifferentWorld'': Jasmine Guy playing Whitley Gilbert and Whitley's cousin Lisa.
* In the ''Series/DadsArmy'' episode "My Brother And I", Captain Mainwaring's degenerate drunken brother Barry, also played by Arthur Lowe, makes an appearance.
* In ''TheBradyBunch'' episode "Sergeant Emma", Alice goes out of town for a week and has her identical cousin Emma come to fill in for her. Emma is a retired Womens Army Corp sergeant who proceeds to run the Brady household like an Army barracks. HilarityEnsues.
** The episode "You're Never Too Old" has Robert Reed and Florence Henderson as Mike and Carol's respective grandparents.
* In one episode of ''ThatsSoRaven'', Raven-Symone played about 3 or 4 roles(including her uncle, her grandma, and her baby cousin.)
* Thrice on ''HannahMontana''. Miley Cyrus plays [[TheDanza Miley Stewart]] and her visiting cousin Luann Stewart. At the same time, Billy Ray Cyrus plays both girls' fathers, Robbie Ray and Bobby Ray. In another episode, Moises Arias plays both Rico and Rico's rival Australian cousin, Angus.
* ''GoodLuckCharlie'': A video of Bob from his high school basketball days shows that he looked ''exactly'' like his son P.J. does today, only with [[EightiesHair longer hair]].
* ''TheSteveHarveyShow'': Cedric the Entertainer plays Coach Cedric Robinson and Grandma Pudding
* On ''Series/{{Haven}}'', Audrey looks eerily like her mom Lucy who was in the town in the 80s. Given recent revelations, there may be a reason for that. [[spoiler: Audrey ''is '' Lucy. She is apparently immortal and has amnesia.]]
* When Earl's sister, Pearl, visited on {{Dinosaurs}}, it was played by the same full sized puppet only dressed as a girl. No one really saw the resemblance.
* Martin Lawrence in ''{{Martin}}'' playing his mother. And although not related, Martin looked a lot like his neighbor Shenaenae, Gina's brat neighbor Roscoe, Gina's coworker Bob from Accounting, Otis, Dragonfly Jones, Jerome, and Elroy.
* In ''Series/AreYouBeingServed'', John Inman, who regularly played Mr. Humphries, also portrayed his mother in a film.
* Played straight on ''Series/HerculesTheLegendaryJourneys'', where Iolaus had a look-alike cousin in two episodes. Inverted, however, with Kevin Todd Smith playing both Iphicles and Ares. Both are half-brothers to Hercules, but they aren't related to each other.
** Jodie Rimmer played Lilith on ''Series/YoungHercules'' and daughter Seska on ''Hercules''. {{Lampshaded}} by Seska referring to her mother as a "wild one" back in the day.
* Invoked in ''Series/{{Community}}'' episode [[Recap/CommunityS1E18BasicGenealogy Basic Genealogy]]:
-->'''Annie:''' ''[about Abed's female cousin]'' "Does she look like you but with a wig and lipstick?"
-->'''Abed:''' "No that's Creator/HalleBerry."
* Everyone in Paul Pfeiffer's family on ''Series/TheWonderYears'' has black hair and glasses, kind of like Milhouse's family on ''WesternAnimation/TheSimpsons''. Milhouse is also based on Paul in appearance and as the protagonist's best friend.
* In ''Series/{{Friends}}'', all of Joey's 7 sisters, while not played by the same actor, had almost identical appearance, hair style (dark and voluminous) and even similar names. This is a plot point in the "The One Where Chandler Can't Remember Which Sister", when Chandler makes out with one sister and can't figure out which one.
* A 1992 ''Series/{{Blossom}}'' episode during which [[ObnoxiousInLaws grandpa Buzz]] tells Blossom how he met her grandmother Ruby in World War II. In the flashback sequence, Mayim Bialik plays Ruby (a member of the Women's Army Corps) while David Lascher (playing Blossom's boyfriend Vinny) doubles as a younger Buzz.
* In ''{{Series/NorthAndSouthUS}}'', Madeline's mother was her identical double. The resemblance was so great that a man who had only seen Madeline's photograph recognized her as being the daughter of a woman whose painting was hanging in a whore house he had visited some years before. The difference is that the woman in the painting is considerably darker, and Madeline (Lesley-Anne Down) was blackmailed by the man because he knew she was a closet African American.
* In a rare example of this being done with different actors, Paul's family on Series/TheWonderYears all look eerily similar.
* In the ''Series/{{WonderWoman}}'' TV series (1975), the first season takes place in 1942, where Wonder Woman attaches herself to love interest Steve Trevor, played by Lyle Wagner. In Season Two, the show is retooled to take place in modern times. Lyle Wagner plays Steve Trevor again, but this is supposed to be the original Steve Trevor's son.
* Newman of ''Series/{{Seinfeld}}'' in "The Bottle Deposit", while figuring out how to transport bottles and cans to Michigan, considers a photo of his mother, which is actually Wayne Knight in a wig. In another episode, Frank Costanza finds a photo of someone who looks exactly like him and figures it must be his cousin Carlo. He flies to Italy to meet him, only to find out his name is Guiseppi. Guiseppi/Carlo is played by Jerry Stiller, and rather poorly done by Seinfeld standards.
* In the early-90's, Series/GeneralHospital brought back fan favorite Anthony Geary, not as his iconic character Luke Spencer--whom he refused to play if he were not accompanied by the equally legendary Laura--but as Luke's look alike distant cousin Bill.
* {{Teen Wolf}}'s Kira shares a very strong resemblance to her mother as a young woman, to the extent where her mother in a flashback episode is played by the same actress as Kira.
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[[folder:Newspaper Comics]]
* In ''{{Peanuts}}'' Linus and his little brother Rerun look almost exactly the same. The only way they can be told apart is height, hair (Rerun's is a bit flatter) or outfit (Linus wears red and black stripes while Rerun wears overalls).
[[/folder]]

[[folder:Puppet Shows]]
* Elmo from ''Series/SesameStreet'' has various cousins who've appeared on occasion, who are all based on the Elmo puppet with different accessories.
** Oscar the Grouch and Cookie Monster also have some identical relatives. Though in this case, it may have to do more with their species rather than bloodline.
** Da Niao on ''Zhima Jie'' (Chinese ''SesameStreet'') is Big Bird's identical cousin. Other characters in international ''SesameStreet'' productions have been identical to American characters or said to be their relatives, but not both at the same time.
* Similarly Emily "Ma" Bear in ''Series/TheMuppetShow'', ''Film/AMuppetFamilyChristmas'' and (as Mrs Fozziewig) ''Film/TheMuppetChristmasCarol'' is identical to her son Fozzie except for [[TertiarySexualCharacteristics a dress]], [[FurryFemaleMane grey hair]] and glasses.
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[[folder:Theater]]
* OlderThanSteam: Viola passing for her [[HalfIdenticalTwins twin ''brother'' Sebastian]] in Creator/WilliamShakespeare's ''Theatre/TwelfthNight''.
* There have been productions of ''Theatre/SweeneyToddTheDemonBarberOfFleetStreet'' in which the same person who plays Johanna also plays her mother Lucy in the flashbacks.
* In the stage version of "Film/TheRockyHorrorPictureShow", Eddie and Dr. Scott are played by the same actor.
* In Book-It Repertory Theatre's play of ''Literature/SenseAndSensibility'', (non-twin) brothers Edward and Robert Ferrars were played by the same actor.
* In the play ''I Hate Creator/WilliamShakespeare!'', the skit based on ''{{Hamlet}}'' contains these lines (along with a suggestion that the characters in question be played by the same actor):
--> '''Hamlet:''' Ophelia! You're not dead!
--> '''Laertes:''' It is I, Laertes, son of Polonius and brother of Ophelia, so I can see where you would make that mistake.
[[/folder]]

[[folder:Video Games]]
* In what is part this trope and part Strong Family Resemblance, in ''[[VideoGame/BackToTheFuture Back to the Future: The Video Game]]'', Marty runs into his grandfather, Artie [=McFly=], who looks and sounds just like George [=McFly=] (both being based on Crispin Glover's performance in the film). Artie's father, William, is once again played by Michael J. Fox, who had previously portrayed him in a photo shown in the third film (even though Marty himself is actually voiced by AJ [=LoCascio=]). This leads one to believe that if the pattern continues, since Marty's son will end up looking like Michael J. Fox, his grandson and great-grandson will look like Crispin Glover, and so on. Also, Kid Tannen is basically just Biff with a moustache and zoot suit.
* In ''VideoGame/KnightsOfTheOldRepublicII'', textual implications suggest Echani genetic variation in terms of appearance is very small, with siblings all looking like identical twins and almost identical to their same-sex parent. It was all a cheap way of explaining why they used [[OnlySixFaces the same model]] for all of Atris' Handmaidens while still having them be siblings, despite having an explicit note the one that joins you looks different due to being their half-sibling and yet still looks the same. When the Exile inquires about this the Handmaiden is genuinely surprised that you've noticed, since outsiders typically don't. To Echani on the other hand, her illegitimacy is ''[[ChocolateBaby obvious]]''.
* In ''VideoGame/SuikodenV'', Dragon Cavalry commander Rahal and his CloudCuckoolander sister Rania look virtually identical, to the point that they'd fall under HalfIdenticalTwins if not for Rania being a year older. Not immediately obvious for most of the game, due to Rahal wearing battle armor and Rania being in civilian dress, but when the plot calls for Rahal to [[WholesomeCrossdresser dress as a woman]] the ''only'' visible difference from his sister is that she wears glasses and he doesn't. Apparently they have a history of exploiting this for pranks.
* In an example that would make Nurse Joy proud, recurring ''Franchise/FireEmblem'' series character [[PluckyGirl Anna]] is finally [[AscendedExtra promoted to a playable character]] in ''VideoGame/FireEmblemAwakening''... but she also runs the [[DownloadableContent Outrealm Gate]] and appears as a traveling merchant in the same game. As it turns out, there are more than half a dozen "Annas", and they're all sisters. Since the Outrealm Gate is described as a portal to other worlds, this could also explain how she manages to show up in so many otherwise separate worlds across the series...
[[/folder]]

[[folder:Web Original]]
* Every single foreign character in ''TheFrolloShow''. Whether they be Arabic, German, Russian, Mexican, or any other nationality, the only thing that distinguishes a foreign character from their main character cousin is the hat they wear.
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[[folder:Western Animation]]
* PlayedForDrama with [[GenkiGirl Ty Lee]] from ''WesternAnimation/AvatarTheLastAirbender.'' She was[[MassiveNumberedSiblings one of septuplets]], and she ran away from home [[IJustWantToBeSpecial to avoid becoming part of a "matching set"]].
** In SequelSeries ''TheLegendOfKorra'', Mako and Bolin meet their late father's relatives in Ba Sing Se. It'd be easier to count the cousins who ''don't'' have the same snub nose and [[BigOlEyebrows heavy eyebrows]] that Bolin has.
* On ''WesternAnimation/AllDogsGoToHeaven: The Series'', we're introduced to [[BigGood Annabelle's]] evil cousin [[BigBad Belladonna]], who may as well be Annabelle's EvilTwin -- they look exactly alike, with the only real difference being the color of their fur (and the fact that Belladonna has bat wings, due to being a devil).
* ''WesternAnimation/BackToTheFuture: The Animated Series'' took this to ridiculous levels by having a Tannen in every timeline they go to, no matter what country. Taken UpToEleven when they even encounter a T-rex Tannen in a timeline where the dinosaurs weren't wiped out.
* In ''WesternAnimation/SouthPark'', pretty much everyone in the extended Cartman family is overweight and has his same annoying tendencies (whining, eating too much, etc.) The only exceptions seem to be Cartman's mother and [[http://southpark.wikia.com/wiki/Alexandra_Cartman a young girl who resembles her]].
* Chum Chum's cousin [[SdrawkcabName Muhc Muhc]] in ''WesternAnimation/FanboyAndChumChum''.
* In ''WesternAnimation/ScoobyDooAndTheLochNessMonster'', Daphne's Scottish cousin Shannon looks just like her, only with short hair and a tartan skirt, and is voiced by the same actress doing a Scottish accent.
** Speaking of Daphne, she is identical to her 4 sisters ([[AlliterativeFamily Daisy, Dawn, Dorothy, and Delilah]]) in ''WesternAnimation/ScoobyDooMysteryIncorporated''. The only things that physically differentiate them are their hairstyles and clothes.
* In an episode of ''WesternAnimation/TheAdventuresOfJimmyNeutronBoyGenius'', the Neutrons have a family reunion where everyone looks like Hugh (except for one who's a caricature of creator John A. Davis).
* Both [[TomAndJerry Tom and Jerry]] have identical cousins-Jerry has the super-strong Muscles ("Jerry's Cousin"), while Tom has his cowardly (and mouse-phobic) cousin George ("Timid Tabby"). Naturally, mistaken identity gags abound in both cartoons.
[[/folder]]

[[folder:Other]]
* A common FanFic trope in crossovers is to have a two different characters in [[IntercontinuityCrossover different continuities]] played by the same actors 'turn out' to be related to each other. There is one where Film/JamesBond (Connery version) is the illegitimate son of [[Franchise/IndianaJones Henry Jones Jr]] and thus the grandson of Henry Jones Snr... who was played by Sean Connery.
** There is also one used in fan fiction with [=MacGyver=] (of ''Series/MacGyver'') and Colonel Jack O'Neill (of Stargate SG-1), both played by Richard Dean Anderson, being cousins.
*** Suggesting, of course, that both are descended from [[Series/{{Legend}} dime novelist Ernest Pratt]].
* Although they were only cousin, King George V of England and the Czar Nicolas II looked like twins. [[http://en.wikipedia.org/wiki/File:Tsar_Nicholas_II_&_King_George_V.JPG See for yourself.]] George has blue eyes but that probably won't be much help.
** And George's grandson [[http://en.wikipedia.org/wiki/Prince_Michael_of_Kent Prince Michael of Kent]], who's still around today, has the same uncanny resemblance to the Tsar, to the extent that he's very popular among royalists in Russia. It helps that he grew the Russian-style beard to hide a scar, and that he's named after [[http://en.wikipedia.org/wiki/Grand_Duke_Michael_Alexandrovich_of_Russia Nicholas II's younger brother]].
* In ''AudioPlay/BigFinishDoctorWho's'' audio dramas, India Fisher plays Eighth and Sixth Doctor companion Charley Pollard. Fisher also voiced Charley's sister Cissy in the ''Gallifrey'' spin-off series.
* Outside of their trademark costumes, Groucho, Harpo, Chico, and Zeppo Marx bore an incredible resemblance to each other. They would even occasionally play each other's parts in their stage shows with no one the wiser. This is part of why the much-loved MirrorRoutine was so successful; in the same outfit, Groucho and Harpo are practically identical.
** This ended in a CrowningMomentOfAwesome -- on the game show ''IveGotASecret'', Harpo once appeared as the contestant, with his brother Groucho as one of the panelists. Nobody, Groucho included, could guess Harpo's secret. [[note]]The secret was that it was really Chico Marx dressed as Harpo.[[/note]]
* Actors Alan Hale (Senior) and Alan Hale (Junior). One played Little John in ''Film/TheAdventuresOfRobinHood'', the other is famed as the Skipper on ''Series/GilligansIsland''. Without looking at the date of their films there is no way to tell them apart.
* Back in TheNineties, a [[RunningGag running joke]] was that the public appearances of MichaelJackson were actually his sister [=LaToya=] Jackson.
* In the Bouguereau painting Charity, it is not possible to tell which baby is Yeshua and which one is Yochanan, since he painted them to look identical, even though they are cousins and 6 months apart. In most other paintings of them, he not only makes the age difference apparent, but has them wear different colored clothing and have different colored hair.
* An old story goes that when a Roman emperor was touring their conquered area in Jerusalem his guards noticed a local man who bore a striking resemblance to the emperor. As a joke they brought them together. The emperor thought this was funny and asked the man "Has your mother ever been to Rome?" The man replied "No, but my father has."
** The original version of this joke was supposedly told about Julius Caesar in Gaul (modern day France) seeing a man who looked very similar to himself before continuing in exactly the same way.
[[/folder]]

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