Suggestions by @charlesthefifth
3,665 suggestions
Peter Cullen
as Richard in Unikitty! (1973-1981)

Kurt Russell
as Hellboy in Hellboy II: The Golden Army (1988)
Roddy Piper
as Hellboy in Hellboy II: The Golden Army (1988)

Lo Mutuc
as Temmie in Undertale Animated Movie (my choices)

Stanley Tucci
as Flowey in Undertale Animated Movie (my choices)

Glenn Shadix
as Dictator in 9 (1999)
David Hyde Pierce
as #5 in 9 (1999)

Alan Oppenheimer
as Scientist in 9 (1999)

Sigourney Weaver
as #7 in 9 (1999)

Kirk Douglas
as #2 in 9 (1999)

Steve Buscemi
as #6 in 9 (1999)
George Clooney
as Charles Foster Kane in Citizen Kane (2001)
Henry Selick
as Director in 9 (1999)

Jean-Pierre Jeunet
as France in Greatest Director from Every Country
Guillermo del Toro
as Mexico in Greatest Director from Every Country

Christopher Lloyd
as Grigori Rasputin in Hellboy (1984)

Dennis Quaid
as Hellboy in Hellboy (1984)

Will Sasso
as Bob Duncan in Good Luck Charlie (2020-2024)

Roger Corman
as Director in Repo! The Genetic Opera (1968)

Sue Lyon
as Shilo Wallace in Repo! The Genetic Opera (1968)