Joseph Kaufmann
Michael Corleone
Beverly Hope Atkinson
Carole
Frank De Kova
Angelo "Angie" Corleone (voice)
Terry Haven
Ida Corleone (voice)
Mary Dean Lauria
Molly (voice)
Jacqueline Mills
Rosalyn Schecter (voice)
Lillian Adams
Rosa (voice)
Charles Gordone
Crazy Moe (voice)
Candy Candido
The Mafia Messenger (voice)
Ralph Bakshi
Various Characters (voice) (uncredited)
Jimmy Bates
Snowflake (voice)
Walt Gorney
Bum (uncredited)