Al Pacino
Officer Frank Serpico
John Randolph
Sidney Green
Biff McGuire
Captain McClain
Cornelia Sharpe
Leslie Lane
Mildred Clinton
Mrs. Serpico
F. Murray Abraham
Detective Partner (uncredited)
P.J. Benjamin
Man (uncredited)
Don Billett
Detective Threatening Serpico (uncredited)
Val Bisoglio
Weapons Storage Officer (uncredited)
John Brandon
Police Lieutenant (uncredited)
James Bulleit
Det. Styles (uncredited)
Roy Cheverie
Cop (uncredited)
Sam Coppola
Cop (uncredited)
Marjorie Eliot
Rape Victim (uncredited)
René Enríquez
Cervantes Teacher (uncredited)
Conard Fowkes
Cop - Narcotics Raid (uncredited)
Frank Gio
Police Lieutenant (uncredited)
Trent Gough
Cop (uncredited)
Paul E. Guskin
Police Academy Classmate (uncredited)
Nick Hardin
Television Cameraman (uncredited)
Judd Hirsch
Cop (uncredited)
Richard Kuss
Detective (uncredited)
Tony Lo Bianco
Cop (uncredited)
George Loros
Det. Glover (uncredited)
Kenneth McMillan
Charlie (uncredited)
Stephen Pearlman
Desk Sergeant (uncredited)
Tim Pelt
Black Hood (uncredited)
William Pelt
Black Hood (uncredited)
Jay Rasumny
Television Cameraman (uncredited)
Franklin Scott
Black Prisoner (uncredited)
Tom Signorelli
Bookmaker (uncredited)
Ben Slack
Detective Sitting At Desk (uncredited)
Jaime Sánchez
Cop (uncredited)
Tracey Walter
Street Urchin (uncredited)
Mary Louise Weller
Sally - Girl at Party (uncredited)
