Throwback!See Fergie and More Stars You Never Knew Voiced Cartoon Characters

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Did you know Fergie was the voice of Sally in several Peanuts TV specials?!
Click through the gallery to see more stars you never knew voiced cartoon characters!
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Fergie
The singer voiced Charlie Brown's kid sister, Sally, in three Peanuts animated TV specials during the 80s.
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Bruce Willis
Bruce previously voiced dog Spike on Nickelodeon's hit 90s show Rugrats
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Robert Downey Jr.
The Iron Man star voiced Patrick Pewterschmidt on a 2005 episode of Family Guy!
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Meg Ryan
Meg voiced title character Grand Duchess Anastasia Nikolaevna of Russia in the 1997 animated flick Anastasia.
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Jay Leno
The former late night star previously voiced superhero The Crimson Chin on the Nickelodeon show The Fairly Oddparents.
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John Ritter
The late actor — he sadly passed away in 2003 at age 54 — voiced Clifford the Big Red dog on the eponymous PBS children's series.
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Michael J. Fox
The Back to the Future star voiced Stuart Little in three Stuart Little movies between 1999 and 2006.
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Whoopi Goldberg
Whoopi voiced Fantasy the Book in the 1994 movie The Pagemaster.
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Alec Baldwin
Alec voiced villain Dennis in 2004's The SpongeBob SquarePants Movie.
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Tim Curry
The actor voiced Nigel Thornberry on the Nickelodeon series The Wild Thornberrys from 1998 until 2004.

Martin Lawrence Has 3 Kids He's Proud Of — Meet His Grown Daughters

Janet Jackson Walks the Red Carpet in Look Inspired By the 1920s

Henry Winkler Has a Happy Day With Son Max in Rare Public Outing

Reba Mcentire Is All Smiles During Beach Vacation in Barbados!
