Joseph Kaufmann

as Michael Corleone

Beverly Hope Atkinson

as Carole

Frank De Kova

as Angelo "Angie" Corleone (voice)

Terry Haven

as Ida Corleone (voice)

Mary Dean Lauria

as Molly (voice)

Jacqueline Mills

as Rosalyn Schecter (voice)

Lillian Adams

as Rosa (voice)

Jamie Farr

as Arcade Owner

Robert Easton

Charles Gordone

as Crazy Moe (voice)

Michael Brandon

as (voice)

Morton Lewis

as (voice)

Bill Striglos

as (voice)

Jay Lawrence

as (voice)

Lee Weaver

as (voice)

Phyllis Thompson

as (voice)

Kim Hamilton

as (voice)

Carol Graham

as (voice)

Candy Candido

as The Mafia Messenger (voice)

Helene Winston

as (voice)

William Keene

as (voice)

Peter Hobbs

as Jerry (voice)

John Bleifer

as (voice)

Ralph Bakshi

as Various Characters (voice) (uncredited)

Jimmy Bates

as Snowflake (voice)

Walt Gorney

as Bum (uncredited)