Suggestions by @maxthecat67

Heather North

as Circus Baby in Hanna-Barbera's Sister Location (1980)

Jennifer Connelly

as Elizabeth Afton in Hanna-Barbera's Sister Location (1980)

Robby Benson

as Michael Afton in Hanna-Barbera's Sister Location (1980)

Lillian Randolph

as Jack-O-Chica in Hanna-Barbera's FNAF 4 (1977)

Bob Holt

as Jack-O-Bonnie in Hanna-Barbera's FNAF 4 (1977)

Peter Sellers

as Nightmarionnette in Hanna-Barbera's FNAF 4 (1977)

Clint Howard

as Nightmare Balloon Boy in Hanna-Barbera's FNAF 4 (1977)

Eva Gabor

as Nightmare Mangle in Hanna-Barbera's FNAF 4 (1977)

Mel Blanc

as Plushtrap in Hanna-Barbera's FNAF 4 (1977)

Sebastian Cabot

as Nightmare in Hanna-Barbera's FNAF 4 (1977)

Candy Candido

as Nightmare Fredbear in Hanna-Barbera's FNAF 4 (1977)

Hans Conried

as Nightmare Foxy in Hanna-Barbera's FNAF 4 (1977)

Lillian Randolph

as Nightmare Chica in Hanna-Barbera's FNAF 4 (1977)

Bob Holt

as Nightmare Bonnie in Hanna-Barbera's FNAF 4 (1977)

Scatman Crothers

as Nightmare Freddy in Hanna-Barbera's FNAF 4 (1977)

Sterling Holloway

as Fredbear Plush in Hanna-Barbera's FNAF 4 (1977)

Rick Schroder

as Crying Child in Hanna-Barbera's FNAF 4 (1977)

Chris Tulloch

as Corey Burton in Actors' Classic Counterparts

Timothy Bateson

as Tom Kenny in Actors' Classic Counterparts

David Mitton

as Jim Cummings in Actors' Classic Counterparts