Al Pacino

Sonny

John Cazale

Sal

Charles Durning

Moretti

Chris Sarandon

Leon

James Broderick

Sheldon

Penelope Allen

Sylvia

Sully Boyar

Mulvaney

Carol Kane

Jenny

Marcia Jean Kurtz

Miriam

Lance Henriksen

Murphy

Floyd Levine

Phone Cop

Dick Anthony Williams

Limo Driver

Dominic Chianese

Father

Marcia Haufrecht

Neighbor

Judith Malina

Mother

Susan Peretz

Angie

William Bogert

TV Anchorman

Jay Gerber

Sam

Philip Charles MacKenzie

Doctor

Chu Chu Malave

Maria's Boyfriend

Lionel Pina

Pizza Boy

Robert Costanzo

New York Policeman (uncredited)

Ron Gilbert

Detective (uncredited)

Kenneth McMillan

Commissioner (uncredited)

Ed Metzger

Sgt. Murray (uncredited)

Lynette Sheldon

Sadie (uncredited)

Raymond Serra

New York Plainclothes Cop (uncredited)

Tom Towles

Cop (uncredited)