Suggestions by @kipwalker

Will Ferrell

as Plankton in Spongebob Squarepants

Paul Giamatti

as Mr. Krabs in Spongebob Squarepants

Anne Hathaway

as Sandy Cheeks in Spongebob Squarepants

Steve Carell

as Squidward Tentacles in Spongebob Squarepants

Seth Rogen

as Patrick Star in Spongebob Squarepants

Neil Patrick Harris

as Spongebob Squarepants in Spongebob Squarepants

John Goodman

as Lotso-Huggin-Bear in Toy Story

Fred Armisen

as Rex in Toy Story

Benedict Cumberbatch

as Hans Gruber in Die Hard

Joseph Gordon-Levitt

as Flik in A Bug's Life

Jane Fonda

as Queen Ant in A Bug's Life

Philip Baker Hall

as Carl Fredrickson in Up

Samuel L. Jackson

as Lucius Best in The Incredibles

John Cena

as Mr. Incredible in The Incredibles

Rosamund Pike

as Bo Peep in Toy Story

Chris Evans

as Buzz Lightyear in Toy Story

James Cosmo

as Old Man Marley in Home Alone

Jonah Hill

as Harry Lyme in Home Alone

John Lee Hancock

as Director in The Miracle Worker

Katharine Ross

as Aunt Ev in The Miracle Worker