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    21 Celebrities Who You Didn't Know Voiced Your Favorite Cartoons

    Michael Cera is everywhere.

    1. Elizabeth Taylor as Maggie Simpson

    MGM /

    The Simpsons

    2. Fergie as Sally Brown

    Getty / Jason Merritt
    Claster Television /

    The Charlie Brown and Snoopy Show

    3. Jaleel White as Sonic the Hedgehog


    Adventures of Sonic the Hedgehog and Sonic Underground

    4. George Takei as Ricardio the Heart Guy

    Cartoon Network /

    Adventure Time

    5. Michael Cera as Brother Bear

    The Berenstain Bears

    6. Hayden Panettiere as Dot

    A Bug's Life

    7. Andy Lawrence as T.J. Detweiler

    Getty / Kevin Winter
    Disney /


    8. Christian Bale as Thomas


    9. John Ritter as Clifford

    PBS Kids

    Clifford the Big Red Dog

    10. Whoopi Goldberg as Gaia

    Cartoon Network /

    Captain Planet and the Planeteers

    11. Lacey Chabert as Eliza Thornberry

    Nickelodeon /

    The Wild Thornberrys

    12. Ralph Fiennes as Rameses


    The Prince of Egypt

    13. Vin Diesel as The Iron Giant

    Warner Bros. Features /

    The Iron Giant

    14. John Goodman and J.K. Simmons as the Yellow M&M

    15. Howie Mandel as Gizmo

    Warner Bros. /


    16. Christopher Plummer as Charles Muntz


    17. Erik Von Detten as Sid

    Getty / Frederick M. Brown
    Disney /

    Toy Story

    18. Andy Samberg as Party Pat

    Cartoon Network /

    Adventure Time

    19. Haley Joel Osment as Chip

    Disney /

    Beauty and the Beast: The Enchanted Christmas

    20. Pat Morita as The Emperor of China


    21. And James Avery as Shredder

    Teenage Mutant Ninja Turtles

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