Suggestions by @harrybray
9,876 suggestions

Christoph Waltz
as Giovanni in Pokemon
Paul McCartney
as Carl Cabot in Doodles

Eric Idle
as Nearly Headless Nick in Harry Potter (HBO Max Series)

Boyd Holbrook
as Jack Wade in James Bond
David F. Sandberg
as Mr mind in The Perfect DC Universe
Don Messick
as Scrat in Ice Age (1972)

Howard Morris
as Bill Cipher in Gravity Falls (1980's)
Joe Alaskey
as Foghorn Leghorn in Cartoon World (1984)
Don Messick
as Robot dog assassin in Looney Tunes; back in action (1975)
Carol Burnett
as ACME exec “Mary” in Looney Tunes; back in action (1975)
Blake Edwards
as Director in Looney Tunes; back in action (1975)
Walter Mirisch
as Producer in Looney Tunes; back in action (1975)

Frank Waldman
as Writer in Looney Tunes; back in action (1975)

Pat Roach
as Mr.Smith in Looney Tunes; back in action (1975)

Lloyd Bridges
as CIA boss on blue monkey tape in Looney Tunes; back in action (1975)

Bill Hunter
as Acme vp, child labor in Looney Tunes; back in action (1975)

James Doohan
as Acme vp, Rhetorical questions in Looney Tunes; back in action (1975)

Marc Alaimo
as Acme vp, never learning in Looney Tunes; back in action (1975)
Adam West
as Batman in Looney Tunes; back in action (1975)

Ed Wood Jr.
as B-movie director in Looney Tunes; back in action (1975)