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Examples for LastNameBasis in Film.
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!!Animated
* ''WesternAnimation/AnAmericanTail'' combines this with UnnamedParent, with Fievel and Tanya's parents only known as Mama and Papa Mouskewitz.
* ''WesternAnimation/BeavisAndButtheadDoTheUniverse'' reveals that [[spoiler:"Beavis" is actually a surname, given that his mother is called Shirley Beavis.]]
* ''Franchise/{{Cars}}'':
** Mater's first name is actually "Tow", short for Towbert, but everyone, including himself, just refers to him as Mater.
** Lightning [=McQueen=], though viewers usually call him by his first name, is almost always called by his last name by most characters.
* In ''WesternAnimation/ChickenRun'', the Tweedys call each other "Mr. Tweedy" and "Mrs. Tweedy" despite being married. In rural Yorkshire, it was not uncommon for a married couple to address their spouses that way.
* (Felonious) Gru from ''Franchise/DespicableMe''. This became rather awkward in the third film when the filmmakers forgot this and named his twin brother ''Dru Gru''.
* ''WesternAnimation/TheGreatMouseDetective'' gives us Dr. (David Q.) Dawson, Mr. (Hiram) Flaversham and Professor (Padraic) Ratigan.
* ([[GenderBlenderName Wendy]]) Pleakley from ''WesternAnimation/LiloAndStitch'', though his given name wasn't revealed until ''WesternAnimation/LiloAndStitchTheSeries''.
* Sebastian from ''WesternAnimation/TheLittleMermaid1989''. Especially since he has an OverlyLongName.
* James P. "Sulley" Sullivan from ''WesternAnimation/MonstersInc''.
* ''WesternAnimation/{{Ratatouille}}'': Linguini's first name is Alfredo, but he is always referred to by his surname, except by Larousse when he first points him out to Skinner when they first meet, and by his mother in her letter to Skinner.
* In ''WesternAnimation/TurningRed'', Mei refers to ''herself'' by last name after she turns back human for the first time. Tyler also does this to Mei prior to blackmailing her.
* In ''WesternAnimation/{{Zootopia}}'', everyone, including most of the supplementary materials and his friends, refers to Manchas either by his last name or as [[TheyCallMeMisterTibbs Mr. Manchas]], although he does ''have'' a first name (Renato).

!!Live-Action
!!!'''In General:'''
* In most movies about military squads, characters are referred to by either their last name or a nickname. The ''Film/{{Alien}}'' example below comes to mind, as well as ''Film/{{Predator}}'' (except Dutch, of course) and ''Film/SavingPrivateRyan'' (his full name is James Francis Ryan). Somewhat oddly, he's far from the only character in the story with the surname Ryan (and, in fact, [[ItMakesSenseInContext is being pulled out of the war zone for precisely that reason]]), but calling the movie ''Saving James Francis'' just wouldn't make the military context clear.
!!!'''Creators:'''
* You can always spot Margaret Dumont's character in the cast list of a Creator/MarxBrothers movie, since she inevitably played a feisty, wealthy GrandDame known only by her surname ([[Film/ANightAtTheOpera "Mrs. Claypool"]], [[Film/DuckSoup "Mrs. Teasdale"]], [[Film/ADayAtTheRaces1937 "Mrs. Upjohn"]], [[Theatre/AnimalCrackers "Mrs. Rittenhouse"]], etc.). By the same token, Groucho almost always played a character with two names and a middle initial ([[Film/ANightAtTheOpera "Otis B. Driftwood"]], [[Film/DuckSoup "Rufus T. Firefly"]], [[Film/ADayAtTheRaces1937 "Hugo Z. Hackenbush"]], etc.), and Chico and Harpo inevitably played ThoseTwoGuys with OnlyOneName each ([[Film/ANightAtTheOpera "Tomaso" and "Fiorello"]], [[Film/DuckSoup "Chicolini" and "Pinky"]], [[Film/ADayAtTheRaces1937 "Tony" and "Stuffy"]], etc.). The convention was a handy way to reinforce the idea that each actor played a variation of the same comedic character in every movie.
!!!'''By Movie:'''
* ''Franchise/{{Alien}}''
** Almost all of the characters in ''Film/{{Alien}}'' and ''Film/{{Aliens}}'' go by last names only. Ripley's first name (Ellen) was never stated in the original theatrical cut of either film, appearing only in a deleted scene from ''Aliens.''
** In fact, the original draft of ''Film/{{Alien}}'' (included as a [[DVDBonusContent DVD extra]] in the [[BoxedSet Alien Quadrilogy box set]]) was written such that ''all'' the characters had no assigned gender.
** With the exceptions of Carter Burke, Ellen Ripley, Dwayne Hicks and (possibly) Gorman, all the marines in ''Film/{{Aliens}}'' have [[TheDanza their actor's first name for their real one]] (e.g. Al Apone (Matthews), Jeanette Vasquez (Goldstein), etc.).
* In ''Film/AmericanPie'', Steve Stifler is referred to by his last name by everyone other than his family, in addition to Paul Finch and Chris Ostreicher, who are referred to as "Finch" and "Oz", respectively.
* In ''Film/TheApartment'', Bud and Fran always refer to each other as "Miss Kubelik" and "Mr. Baxter", in and out of the workplace; [[spoiler: even when he tells her that he loves her, he uses her last name.]]
* A running theme in ''Film/BladeRunner''. Human characters in the film are referred to by their last names, while the Replicants are all referred to by their first names, which serves to reinforce the point of how humans in the film tend to act distant and impersonal, and the replicants are more emotional. This also foreshadows Rachael's status.
* In ''Film/BloodDiamond'', Danny Archer is referred to only as "Archer" except one from his former superior in South Africa.
* In the ''Film/BuffyTheVampireSlayer'' movie, Oliver Pike refers to himself and is referred to by others simply as "Pike". His first name [[AllThereInTheManual (which was revealed in the comics adaptation)]] is never spoken in the film.
* ''Franchise/TheChroniclesOfRiddick'': You'd be hard-pressed to find anyone calling Richard B. Riddick by his first name in Vin Diesel's series of action thrillers. Also true for (William J.) Johns and (Carolyn) Fry.
* Franchise/DCExtendedUniverse:
** ''Film/BatmanVSupermanDawnOfJustice'': Alfred Pennyworth calls [[Franchise/{{Batman}} Bruce Wayne/Batman]] "Master Wayne". At one point he goes for "Mister Wayne?" after his "Master Wayne?" call goes unanswered.
** Alfred calls Franchise/{{Superman}} "Master Kent" in ''Film/ZackSnydersJusticeLeague'', signifying the profound respect he has developed for the Man of Steel ever since Bruce started having [[BewareTheSuperman murderous intents out of fear of what he could do]] in ''Batman v Superman''.
** Lex Luthor is often simply referred to as "Luthor".
* In ''Film/DoctorInLove'', Dr. Hare tries to keep one with Miss Strudwick:
-->'''Dr. Hare''': Well, now, let's get on, Miss Strudwick. Er-
-->'''Miss Strudwick''': Why don't you call me "Kitten"? Everyone does.
-->'''Dr. Hare''': Oh, I think for professional reasons we'll keep it as "Miss Strudwick".
* The first ''Film/FinalDestination'' had high school bully Carter calling protagonist Alex Browning by his last name due to their antagonistic rivalry. In an alternate ending where Alex dies saving his girlfriend, Clear Rivers, from the exploding car, Carter joins Clear (who is with her son Alex Jr.) at the cemetery. He is friendlier with her and the now-deceased Alex, referring to the latter by his first name.
* In ''Film/FourDaughters'', violinist Ann insists on calling music composer Feliz "Dietz", and he in turn always calls her "Lemp". Naturally, they fall in love.
* In ''Film/{{Gettysburg}}'', Union officer Joshua Lawrence Chamberlain scolds his brother (and lietuanant) Tom for ''not'' adhering to this and continuing to call him Lawrence instead of ''sir'' or ''Colonel Chamberlain'' because Chamberlain doesn't want the men to think he's playing favorites. Later on, Tom makes a show of referring to him as Colonel Chamberlain, ''sir''.[[note]]The film doesn't include the follow-up scene from the book when they're alone and Chamberlain scolds him for ''not'' calling him Lawrence, which annoys Tom even more.[[/note]]
* In the original ''Film/{{Ghostbusters|1984}}'' movie, Ray Stantz almost exclusively refers to his colleagues by their last names, while everyone else uses given names. This seems more like personal preference rather than any indication of his relationship with them, however. In the sequel he seems to have moved on from using only surnames and has instead started nicknaming everybody (though he does use Winston Zeddemore's last name while [[spoiler:he and Winston are under the effects of the negatively-charged mood slime and on the verge of killing each other]] and uses Egon Spengler's surname to refer to him in a much less emotionally charged moment).
* ''Film/GhostTown2008'': Pincus' first name is Bertram. Nobody calls him that, let alone "Bert" or something, only Pincus (frequently ''Dr.'' Pincus, since he's a dentist).
* Done hilariously in ''Film/GiveEmHellMalone'' where HardBoiledDetective Malone is referred to as such by everyone... Including his mom.
* Almost everyone in ''Film/TheGreatEscape'' except for Roger (the leader), Colin (the forger), Danny, and Willy (the {{Tunnel King}}s).
* ''Film/{{Highlander}}'' had Ramirez, and sometimes Connor would just be called Macleod.
** Only his kinsmen and his first wife Heather ever called [=MacLeod=] by his first name. The other immortals and other characters would call him [=MacLeod=]. (Or Nash, depending.)
* In ''Film/{{Inception}}'', the characters often refer to each other by their last names -- the main character, Cobb, is only called by his first name by his wife and father/father in law, another character only goes by 'Eames', implied to be his last name (there's even a [[http://www.fanfiction.net/s/6275157/1/pseudonymous fanfic]] about this), and the team usually refers to Robert Fischer as just 'Fischer'.
* Most ''Film/JamesBond'' villains call him "Mr. Bond" (his traditional SurnameFirstNameSurname introduction helps it).
** The ladies, even M on occasion, call him James. However, M (and Q) usually refers to him by his number, 007, instead.
** In ''Film/QuantumOfSolace'' this is reversed, with main villain Domonic Greene dismissing Bond's reference to him as "Mr Greene" by insisting "Please, my friends call me Domonic", to which Bond impassively replies "I'm sure they do."
* Pretty nearly the entire ''Film/TheLeagueOfExtraordinaryGentlemen'', except for Nemo (who doesn't ''have'' any other name) and Mina (most of the men address her by her first name, eventually). Skinner usually refers to Quatermain as Allan.
* Martin Riggs from the ''Film/LethalWeapon'' movies is always referred to as "Riggs", even though he calls his partner Roger Murtaugh by his first name.
* ''Film/LovingAnnabelle'': Simone Bradley, who's almost always referred to as "Ms. Bradely" given that she's a teacher. Only her aunt, head teacher Mother Immaculata, calls her Simone.
* In the film version of ''Film/TheManFromUncle'' Alexander Waverly is only referred to by his last name Waverly, likely because he happens to share his first name with one of the villains, and, well, OneSteveLimit and all.
* Franchise/MarvelCinematicUniverse: Most characters use LastNameBasis and FirstNameBasis interchangeably when among friends and colleagues:
** Agent Phil Coulson often goes only by his last name.
--->'''Pepper Potts:''' Phil! Come in.\\
'''[[Film/TheAvengers2012 Tony Stark]]:''' Phil? His first name is Agent.
** Cap in ''Film/TheAvengers2012'' refers to Tony exclusively as "Stark" for most of the film but after coming to respect Iron Man after his HeroicSacrifice starts calling him Tony more reguarly. Natasha similarly referred Tony as "Mr Stark" when she worked for him or just "Stark" in ''Avengers'' but refers to him as Tony in later films. She also initially referred to Cap as "Rogers" in ''Film/CaptainAmericaTheWinterSoldier'' but after they grew close started calling him Steve.
** Ross in ''Film/CaptainAmericaCivilWar'' exhibits this when he wants Tony to find Captain America, Bucky Barnes and the Falcon. The Avengers tend to use last names on the members of the opposing faction, particularly during the climax, when [[spoiler:Tony calls Steve "Rogers" when demanding to know whether Steve knew that Bucky killed Tony's parents]].
--->'''Ross''': 36 hours. Barnes. Rogers. Wilson.
** In ''Film/{{Captain Marvel|2019}}'', a 20-years-younger ComicBook/NickFury only answers to "Fury". [[spoiler:When his boss suddenly calls him "Nicholas", he's immediately tipped off that "Keller" is one of the {{shapeshifter}}s that Vers warned him about.]] Oddly enough, Alexander Pierce from ''Film/CaptainAmericaTheWinterSoldier'' generally calls Fury "Nick," and he doesn't seem to mind.
** In ''Film/SpiderManFarFromHome'' Maria subverts this by referring to Fury as "Nick", to which Fury responds without hesitation. [[spoiler:This is because both "Maria" and "Nick" are actually disguised Skrulls standing in for the originals.]]
** Thanos also tends to refer to the heroes by any last names they may have, with a specific penchant for it with Tony Stark.
** ''Film/{{Black Widow|2021}}'' has Dreykov, a character only ever refered to by his last name.
** Baron Helmut Zemo is only ever called Zemo, Baron, or Baron Zemo; not only because his title and last name have reputations that precede him, but also because the loved ones who would have known him well enough to call him by his first name are all deceased. The singular mention of his first name was from F.R.I.D.A.Y.’s brief exposition of his background in ''Film/CaptainAmericaCivilWar''. Alternatively, Zemo comfortably refers to ''Series/TheFalconAndTheWinterSoldier'' by their first names (even when nobody else does, in Bucky’s case).
* ''Film/MissMeadows'': No one calls Miss Meadows by her first name, Mary, but her mother. She in turn never once calls Mike anything but "Sheriff" even after they get into a relationship.
* In ''Film/NoKidding'', Tandy, Matron, and Cook all call David and Catherine "Mr. and Mrs. Robinson" as they are their employers, while Mrs. Spicer calls them the same to be professional.
* ''Film/OlsenBanden'' features several characters who only ever get referred to by their last names such as Holm and Bang-Johansen, mainly the police officers and richer characters (to reflect their social standing). The Swedish ForeignRemake ''Jönssonligan'' also features Ragnar Vanheden who plays with the trope in an odd manner; while he always calls his fellow gang members by their first names or {{Embarrassing Nickname}}s, he tends to refer to [[ThirdPersonPerson himself]] as just Vanheden, and the other characters generally follow suit. Even his cousin, Harry, does this in his first appearance before he formally joins the gang and [[FirstNameBasis switches over to calling him Ragnar.]]
* In ''Franchise/PiratesOfTheCaribbean'' Commodore Norrington's first name isn't even never mentioned in the [[Film/PiratesOfTheCaribbeanTheCurseOfTheBlackPearl first movie]]. [[Film/PiratesOfTheCaribbeanDeadMansChest The second]] and [[Film/PiratesOfTheCaribbeanAtWorldsEnd third]] movie reveal that it is James. Similarly, Barbossa's first name isn't mentioned until the third when Captain Jack Sparrow calls him "Hector", which is itself AscendedFanon taken from an earlier interview with Creator/JohnnyDepp and Creator/GeoffreyRush when the former speculated on what Barbossa's name might be.
* (George) Taylor in ''Film/PlanetOfTheApes1968''. His first name doesn't even pop up in the film, it was revealed later. Brent is this as well in the ''[[Film/BeneathThePlanetOfTheApes Beneath]]'' sequel, which also has Mendez. It might not have been a last name but more of a title among the mutants by the time of the film, but it appears to have begun as a last name (see Battle). ''[[Film/ConquestOfThePlanetOfTheApes Conquest]]'' has [=MacDonald=], Kolp, and Governor Breck. 'Battle' introduces [=MacDonald=]'s brother, but neither's first name is ever given.
* ''Film/PleaseTurnOver'': In ''Naked Revolt'', Stella refuses to be on first-name terms with Blanche:
-->'''Blanche''': Hello, Stella.
-->'''Stella''': "Miss Hopkins", if you don't mind.
* ''Film/ThePostman'': General Bethlehem and Colonel Getty aren't ever referred to except with their last names.
* In ''Film/RaisingTheWind'', Alex is on one with Chesney, but doesn't appreciate this:
-->'''Chesney''': Really, Spendlove?
-->'''Alex''': Don't call me "Spendlove". Call me "''Alex''", and ''I'll'' think of something to call you.
* In ''Film/RearWindow'', the protagonist L. B. Jeffries is called "Jeff" by everyone.
* Over the three ''Film/RushHour'' films, Carter and Lee never once call each other by their first names (Carter's first name is James). (In fact, Lee's first name was never said in the films, though the questionably canon [[Series/RushHour TV series]] gave him the first name "Jonathan").
* In ''Film/TheShopAroundTheCorner'', the shop workers all address each other as "Mr. _____" or "Miss _____". Kralik does start privately calling Miss Novak "Klara" once he begins to care for her, though.
* In ''Film/TheSoloist'', Steve and Nathaniel end up calling each other as Mr. Lopez and Mr. Ayers by the end of the film, a sign that Nathaniel has begun to move from personal dependency on Steve to greater independence and that Steve rediscovered respect and integrity in his journalistic work.
* All of the characters in ''Film/TheThing1982'' only refer to each other by their last names. This is only averted after Bennings is shot and [=MacReady=] calls him "George". In another scene, [=MacReady=] is seen recording a voice log, and when he signs off, he gives his first two initials: R.J.
** In the original novella, Norris is called Vance.
* The patients and nurses from ''Film/TwiceRoundTheDaffodils'' are on a mostly last-name basis with each other to keep things professional.
* In the movie ''Film/{{Waitress}}'' Jenna [[InsistentTerminology won't]] call the man she's having an affair with by his first name, even though Dr. Pomatter (Jim) uses hers.
* In ''Film/WarCraft2016'', like in [[VideoGame/WarCraft the game series]], Anduin Lothar is always referred to as Lothar, with few situations where he's referred by his full name instead.
* ''Film/TheWayBack2010'' has Mister Smith, who refuses to give his first name and is simply called Smith by most of his companions. Some of the ones with a shakier grasp of English think 'Mister' is actually his first name, and the sole child in the group uses it like it is.
* Withnail of ''Film/WithnailAndI''.
* ''Film/ZForZachariah'': Caleb always calls John "Mr. Loomis", seemingly in keeping with his Southern civility.
* In ''Film/ZigZag2002'', [=ZigZag=] addresses Dean Singer exclusively as Singer.
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