10 Stars You Didn't Know Voiced Animated TV Characters (PHOTOS)

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Bill Hader - South Park
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Bill Hader (South Park)

Emmy award-winning Barry actor Bill Hader has voiced an array of South Park characters, but our favorite is his turn as Alec Baldwin on the hit Comedy Central show. Fun fact: Hader wrote the infamous Kanye West fishsticks joke, so he’s basically in South Park Hall of Fame.

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Halsey (American Dad!)

Singer-songwriter Halsey proves to be a triple threat with her work on the big screen for A Star is Born, and television turns on Scooby Doo and Guess Who? and American Dad! Her role as candy-obsessed biker Cindy adds a tongue-in-cheek humor for the chameleon songstress.

Robert Downey Jr. - Family Guy
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Robert Downey Jr. (Family Guy)

Before Iron Man saved the world in Avengers: Endgame, Robert Downey Jr. voiced Patrick Pewterschmidt, the long-lost older brother of Lois Griffin on Family Guy. Downey Jr. only voiced Patrick once for the “Fat Guy Strangler” episode; the character was later portrayed by Oliver Vaquer for “Killer Queen” but we’ll always have “Strangler” to remember iconic Downey Jr.’s sultry voice.

Olivia Wilde - BoJack Horseman
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Olivia Wilde (BoJack Horseman)

Booksmart director Olivia Wilde plays recurring character Charlotte Carson, née Moore, on BoJack Horseman. The cartoon doe dons a long skirt and denim jacket, and is the “one who got away” for both BoJack and Herb– a fitting role for charismatic actress Wilde.

Molly Shannon - Bob's Burgers
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Molly Shannon (Bob’s Burgers)

Actress Molly Shannon brings her comedic chops to Bob’s Burgers as the innocent Millie, a frenemy to Louise Belcher. The Saturday Night Live legend can also currently be seen in Will & Grace, The Other Two, and Divorce, plus her voice work in the recent Hotel Transylvania 3: Summer Vacation.

Chris Paul - Scooby Doo and Guess Who?
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Chris Paul (Scooby Doo and Guess Who?)

NBA star Chris Paul joined the Mystery Gang on Scooby Doo and Guess Who? playing a cartoon detective version of himself. The Oklahoma City Thunder player assisted Velma, Shaggy, Scooby, Daphne, and Fred solved the mystery of the Swamp Monster at a charity event in the premiere episode for the new show.

Christina Hendricks - Rick and Morty
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Christina Hendricks (Rick and Morty)

The Mad Men and Good Girls star got animated for Rick and Morty back in 2015, but that hasn’t stopped Hendricks from continuing her voice work: the actress also voiced a snake CVS cashier in Robot Chicken, and most recently, doll Gabby Gabby in Toy Story 4 on the big screen.

Mark Hamill - American Dad
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Mark Hamill (American Dad!)

Actor Mark Hamill is most well-known for portraying Luke Skywalker in Star Wars but Hamill is also a legendary voice actor, most notably for his pitch-perfect interpretation of The Joker. Hamill recently also lent his iconic voice to Chucky in Child’s Play and is soon to star on Netflix’s The Last Kids on Earth, but you probably didn’t spot Hamill’s cameo as an unnamed bartender on American Dad!. 

Jordan Peele - Bob's Burgers
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Jordan Peele (Bob’s Burgers)

Writer-director Jordan Peele voiced a variety of roles on Bob’s Burgers prior to his Academy Award nominations for Get Out and this year’s critically-acclaimed Us. Ranging from unnamed salesmen to paranormal investigator Don to former NFL player and amateur actor Sandy, Peele brought an array of characters to the show from 2014 to 2016. He even voiced Fanny, the girlfriend of Felix Fischoeder (Zach Galifianakis) in two episodes!

Anjelica Huston - BoJack Horseman
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Angelica Huston (BoJack Horseman)

Hollywood icon Anjelica Huston voices Angela Diaz on BoJack Horseman. Only seen through flashbacks, the character is BoJack’s former executive producer. Huston also lends her voice to the upcoming Arctic Dogs. 

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We all know and love these A-list faces, but who knew they voiced some animated alter egos?

More and more celebrities are entering behind-the-scenes voice acting from Rick and Morty to BoJack Horseman. So let's take a look at some of our favorites, past and present.

Check out the gallery for 10 stars you might not know have voiced characters on animated series!

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