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I Want You to Meet an Old Friend of Mine

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A guest appearance by someone with a personal or prior professional relationship with one of the cast members of the show, such as Rhea Perlman appearing on Becker, Christopher Lloyd appearing on Spin City, or Helen Hunt appearing on The Simpsons. More often than not the guest actor will be playing an Old Friend of the relevant character, whom they haven't seen in years.


Subtrope of Casting Gag. Liable to be a Large Ham. Expect numerous Actor Allusions. Compare Real-Life Relative. Not to be confused with Old Friend, Remember the New Guy? or Beleaguered Childhood Friend, but can overlap with any of them. Compare Relationship Voice Actor.


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    Professional Wrestling 

  • Catherine Tate and David Tennant of Doctor Who fame were reunited for an onstage production of William Shakespeare's Much Ado About Nothing. They are both prominently featured in its advertising. (The two are also close friends in real life.)
  • Camelot was written and originally produced by much of the same team responsible for My Fair Lady (including director Moss Hart in the last Broadway show of his life). Not only did Julie Andrews have the starring role in both productions, but Robert Coote, who was Pickering in My Fair Lady, returned as Sir Pellinore in Camelot.

    Video Games 
  • Metal Gear Solid 4: Guns of the Patriots: In the Japanese dub, Snake is voiced by Akio Ohtsuka. When the older Big Boss, who Snake was cloned from, appears at the very end of the game, he was voiced by Akio's real-life father Chikao Ohtsuka.
  • In the Mass Effect series Female Shepard and Ashley Williams are voiced by Jennifer Hale and Kimberly Brooks. The two have worked together as partners before... specifically band-mates Thorn and Luna from the various Scooby-Doo movies and shows. This makes it funnier if you have a female Shepard and always include Ashley in your squad and then turn the Hex Girls song on while playing.

    Web Comics 

    Western Animation 
  • One of the best moments of Shark Tale was when Robert de Niro said to Martin Scorsese, "We've worked together for a real long time."
  • In the Batman: The Animated Series episode, "Beware the Grey Ghost", the Gray Ghost (a thinly veiled black and white Batman TV show copy) is voiced by Adam West.
    • The Grey Ghost is also inspired by The Shadow, who himself inspired Batman.
  • In Batman: The Brave and the Bold Blue Beetle's best friend Paco is played by Jason Marsden, who previously played Eric Matthews' best friend, er, Jason Marsden on Boy Meets World, and is Will Freidle's best friend in Real Life.
    • This sort of thing happens a lot with these two.
  • Also from Batman: The Brave and the Bold, Kevin Conroy, the voice of Batman from the 90s animated series, played the Phantom Stranger in "Chill of the Night!" alongside Mark Hamill, who famously played the Joker in that series, as the Spectre. The episode also featured Adam West as Thomas Wayne and Julie Newmar as Martha Wayne.
  • The episode of The Batman that introduced Robin featured Kevin Conroy (Batman from B:TAS) as Dick Grayson's father and Mark Hamill (Joker from same) as Tony Zucco.
    • Also from the episode that introduced Robin with Mark Hamill was Grey DeLisle, who voiced Dick Grayson's mother. Hamill and DeLisle voiced father and daughter Ozai and Azula on Avatar: The Last Airbender.
  • When Pleakley's family comes to visit on Lilo & Stitch: The Series, they are voiced by many of Kevin MacDonald's former castmates from The Kids in the Hall. The only Kid in the Hall who didn't voice a family member voiced a preacher in that episode.
  • In the sequels to Disney's Cinderella, Prince Charming is voiced by Christopher Barnes and Cinderella herself is now voiced by Jennifer Hale, AKA The Black Cat from the same series.
    • Also, during the run of said series, Robert Hays reprised his role of Iron Man for some team-ups with Spider-Man. Hays and Barnes previously appeared together on the Starman TV series and both were reportedly thrilled with working together again.
  • Tara Strong and Cree Summer have been friends since childhood, even growing up together, and these days do a lot of voice-over work together. In other words, if you hear one of them in a given series, you're likely to hear at least one of the other two in the same series at some point.
  • In The Simpsons, Sideshow Bob is played by Kelsey Grammer. His brother and father are played by David Hyde Pierce and John Mahoney respectively, who played Frasier's brother and father.
  • Brenda Song played a rival to Ashley Tisdale's Candace on Phineas and Ferb.
    • Thomas Sangster played a young boy with a Precocious Crush on Olivia Olsen's character in Love Actually—so when they were cast Ferb and Vanessa, Ferb's crush on Vanessa became a running gag.
  • One episode of Clifford the Big Red Dog had T-Bone (voiced by Kel Mitchell) meeting an old friend, Hamburger (Played by Kenan Thompson). If you're old enough, you'd remember that both of them starred together in two shows prior to breaking up due to creative differences.
  • The Avengers: Earth's Mightiest Heroes!: David Kaufman showed up at the beginning of season 2 reprising his role of the Human Torch from past Marvel video games. Regular series heroine the Wasp is voiced by Colleen O'Shaughnessey, who voiced Danny's sister Jazz Fenton. Reportedly the two were excited to be working together again.
  • In Avatar: The Last Airbender, Grey DeLisle voices Azula, and Mark Hamill voices her father, Fire Lord Ozai. In a third-season episode of Danny Phantom, the ghost of the week, Undergrowth, is voiced by Mark Hamill, and Sam Manson is voiced by Grey DeLisle. When Undergrowth takes control of Sam's mind, she even calls him "father".
  • In The Mighty B!, Andy Richter voices Amy Poehler's little brother. On Late Night with Conan O'Brien, Poehler played Richter's little sister in a few sketches in the late 90s.
  • In the Adventure Time episode "Everything's Jake", the character Jake is trapped in his own body and meets a guy called Goose. Although Jake has never seen Goose before, Goose claims that Jake is an old friend. This is because Goose's voice actor, Billy West, and Jake's voice actor, John DiMaggio, voiced the main characters Fry and Bender in Futurama.
  • In Steven Universe, Greg Universe and his former manager, Marty, are voiced by Tom Scharpling and Jon Wurster of radio show-turned-podcast The Best Show. Compounding the Casting Gag is that despite the real-life duo being great friends and well-known comedy performers, Marty was such an utterly despicable black hole of a person (similar to awful characters Wurster used to play on WFMU, like the Gorch or Timmy von Trimble) and abused Greg so badly that Greg now considers him "dead to me", even though he was indirectly responsible for Greg meeting Rose.
    • Sharpling and Wurster reprise this shtick in an episode of Adventure Time, with Sharpling as Jake's brother Jermaine and Wurster as an evil demon Jermaine has trapped.
  • In DuckTales (2017), arch-enemies Scrooge McDuck and Magica DeSpell are played by David Tennant and Catherine Tate respectively. Tennant and Tate were, you may remember, the Tenth Doctor and his best friend Donna Noble respectively on Doctor Who.
  • In The Magic School Bus, several guest stars were friends of Lily Tomlin (Miss Frizzle), most notably Dolly Parton, her 9 to 5 co-star, who appeared as Miss Frizzle's cousin Katrina Eloise "Murph" Murphy in the "Holiday Special" episode.


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