History Main / SpecialGuest

** "[[Recap/ThePatrickStarShowS1E5SquidinasLittleHelperISmellAPat Squidina's Little Helper]]" has Fentin Finkle, a young crab voiced by Creator/GracenNewton who becomes Squidina's production assistant.

* ''WebVideo/KateModern'': A number of celebrities (of varying degrees of fame) cameo as themselves, including actor Jamie Bell; bands The Days and Scouting For Girls; film director Creator/MikeFiggis; presenters Tim Westwood, Nick Grimshaw, DJ Dre and Michael Underwood; journalist Gordon Smart; and Joanna Shields, the CEO of Bebo. None of them has significant impact on the plot.

* ''WebVideo/OnCinema'' has people involved in film having guest appearances as themselves during the series such as Joe Estevez, John Aprea and Payton Reed. Gregg is often billed as a guest despite appearing in just about as many episodes as Tim and serves more as a co-host.

* ''Series/{{Castle}}'':

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* For ''Film/KaamelottPremierVolet'', Creator/AlexandreAstier wanted someone who speaks French with an English accent "a la Music/{{Sting}}" to play Horsa. He then simply decided to cast the actor himself, and the character has his swagger as a result.
* ''Ocean's Twelve'': Tess pretends to be Creator/JuliaRoberts at one point, [[spoiler:but is found out when Creator/BruceWillis appears, and receives a call from the "real" Julia Roberts.]]

* [[AWildRapperAppears Regularly happens nowadays where rap artists make guest appearances on other's records]].
* Rock and Heavy Metal bands have a long history of recruiting members of other bands in the same subgenre, or even neighboring subgenres, to do fill-in work, whether it be session recording for albums or live work for tours. These recruits occasionally end up as permanent replacements.

* Music/{{Soulfly}}'s first few albums were built around this.

* Music/{{The Rolling Stones|Band}} regularly have special guests join them onstage.

* In ''LetsPlay/TacoMan: The Game Master'', video game characters make appearences, This includes Dirk form ''Dragon's Lair''.

* After Music/{{Lit}} guest starred in [[Series/{{VIP}} her show]] Creator/PamelaAnderson followed it up by guest starring in their video for Music/{{Miserable}}, which premiered at the end of the episode Lit appeared in, as she had been asked to guest star in it both in the shows universe and in real life. Pamela Anderson was even credited with: "And starring Pamela Anderson as Vallery Irons." Behind the scenes Lit had said they would only do the video if they could get Pam herself to star in it, since they had enjoyed working with her so much. The video features Pamela Anderson/Vallery Irons as a giantess, with the band using various areas of her body as a stage while they perform [[Music/{{Miserable}} their song.]]

* In the "My Punky Valentine" episode of ''WesternAnimation/TheWeekenders'', one of the gambits Tino's friends use to get him to forget about a punky girl involves introducing him to Creator/JenniferLoveHewitt. It doesn't work, but it does result in being one of the few episodes which ''doesn't'' end with Tino saying, [[CatchPhrase "Later days!"]] - the Series/GhostWhisperer does it instead ("Hahaha!!! I feel like such a dork...").

* ''WebOriginal/QueerKidStuff'': Lindsay has occasionally invited people onto the show to help her explain certain topics.

** ''Teens React'': [[https://www.youtube.com/watch?v=KAVmF-dYv4U Lisa and Amy Cimorelli]] [[https://www.youtube.com/watch?v=A39cuQDl1GI and their brother Alex]], [[WebVideo/{{Fred}} Lucas Cruikshank]], Creator/JakeShort (twice), and [[https://www.youtube.com/watch?v=JlYM2UfiR4k Alex Steele]] from ''Series/{{Degrassi}}''.

** When reviewing ''VideoGame/JurassicParkTrespasser'' he invites Seamus Blackley onto his show to basically explain [[TroubledProduction what]] [[ChristmasRushed went]] [[ObviousBeta wrong]] with the game in development.

** He actually got Mike Butters (yes, [[Film/{{Saw}} that Mike Butters]]) to reprise his role as the TV Game Guy from ''VideoGame/PepsiMan.

* ''Series/BattlestarGalactica1978'' had a fair few special guest stars in various episodes. Hollywood legends Ray Milland and Lew Ayres guested in the pilot (Ayres as the ill-fated Colonial President, and Milland as a smarmy member of the Council of 12 who was an ObstructiveBureaucrat intended to oppose Adama), as did Rick Springfield (as Adama's youngest son, Zac, who gets killed off in the first ten minutes). Other episodes had Creator/JamieLeeCurtis, fresh from her StarMakingRole in ''Film/{{Halloween}}'', and Creator/FredAstaire playing Starbuck's real father.

* In ''ComicBook/AngelAfterTheFall'', Gwen goes on a date with an actor named 'Nate', who bears a striking resemblance to actor (and comic book fan) Nathan Fillion--who starred in the Joss Whedon-created TV series ''Series/{{Firefly}}'' (and the last few episodes of ''Series/BuffyTheVampireSlayer'').

* ''VideoGame/StarGagnant'' features Creator/TakahashiMeijin (also known as Master Takahashi), a former Creator/HudsonSoft executive famous for his ability to {{Button Mash}} 16 times per second, as the PlayerCharacter's commander. The real-life Takahashi supervised development of this game, which itself is a CreatorDrivenSuccessor to Hudson's ''VideoGame/StarSoldier'' series, as well as Creator/{{Terarin}}'s (the lead developer) previous game ''VideoGame/RagingBlasters'', another game inspired by ''Star Soldier''.

* ''VideoGame/StarGagnant'' features Creator/TakahashiMeijin (also known as Master Takahashi), a former Creator/HudsonSoft executive famous for his ability to {{Button Mash}} 16 times per second, as the PlayerCharacter's commander. The real-life Takahashi supervised development of this game, which itself is a CreatorDrivenSuccessor to the ''VideoGame/StarSoldier'' series, as well as Creator/{{Terarin}}'s (the lead developer) previous game ''VideoGame/RagingBlasters'', another game inspired by ''Star Soldier''.

* ''VideoGame/StarGagnant'' features Creator/TakahashiMeijin (also known as Master Takahashi), a former Creator/{{Hudson}} executive famous for his ability to {{Button Mash}} 16 times per second, as the PlayerCharacter's commander. The real-life Takahashi supervised development of this game.

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[[caption-width-right:350:[[Series/MysteryScienceTheater3000 "Special but unknown guest star!"]][[note]][[Recap/MysteryScienceTheater3000S08E10TheGiantSpiderInvasion "How can you have a guest star in a movie?"]][[/note]]]]

* In ''Angel: After the Fall'' (based on the Joss Whedon-created TV series), Gwen goes on a date with an actor named 'Nate', who bears a striking resemblance to actor (and comic book fan) Nathan Fillion--who starred in the Joss Whedon-created TV series ''Series/{{Firefly}}'' (and the last few episodes of ''Series/BuffyTheVampireSlayer'').