Al Pacino (Sonny)
John Cazale (Sal)
Charles Durning (N.Y. Detective Moretti)
Sully Boyar (Bank Manager Mulvaney)
Chris Sarandon (Leon)
William Bogert (TV Studio Anchorman)
John Marriott (Howard)
Estelle Omens (Edna)
Lionel Pina (Pizza Boy)
Gary Springer (Stevie)
Dick Anthony Williams (Limo Driver)
Thomas Murphy (Policeman with Angie)
Carmine Foresta (Carmine)
Chu Chu Malave (Maria's Boy Friend)
Philip Charles MacKenzie (Doctor)
Dominic Chianese (Father)
Ron Cummins (TV Reporter)
Todd Everett (Cop (uncredited))
Beulah Garrick (Margaret)
Jay Gerber (Sam)
Lance Henriksen (Murphy)
Carol Kane (Jenny)
Sandra Kazan (Deborah)
Marcia Jean Kurtz (Miriam)
Floyd Levine (Phone Cop)
Amy Levitt (Maria)
Penny Allen (Sylvia)
James Broderick (FBI Agent Sheldon)
Susan Peretz (Angie)
Judith Malina (Mother)