"New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him."
Al Pacino
as Officer Frank Serpico
John Randolph
as Sidney Green
Jack Kehoe
as Tom Keough
Biff McGuire
as Captain McClain
Barbara Eda-Young
as Laurie
Cornelia Sharpe
as Leslie Lane
Tony Roberts
as Bob Blair
John Medici
as Pasquale
Allan Rich
as D. A. Tauber
Norman Ornellas
as Rubello
Edward Grover
as Lombardo
Albert Henderson
as Peluce
Hank Garrett
as Malone
Damien Leake
as Joey
Joseph Bova
as Potts
Gene Gross
as Captain Tolkin
John Stewart
as Waterman
Woodie King Jr.
as Larry
James Tolkan
as Steiger
Ed Crowley
as Barto
Bernard Barrow
as Palmer
Sal Carollo
as Mr. Serpico
Mildred Clinton
as Mrs. Serpico
Nathan George
as Smith
Gus Fleming
as Dr. Metz
Richard Foronjy
as Corsaro
Alan North
as Brown
Lewis J. Stadlen
as Berman
John McQuade
as Kellogg
Ted Beniades
as Sarno
John Lehne
as Gilbert
M. Emmet Walsh
as Gallagher
George Ede
as Daley
Charles White
as Delaney
F. Murray Abraham
as Detective Partner (uncredited)
P.J. Benjamin
as Man (uncredited)
Don Billett
as Detective Threatening Serpico (uncredited)
Val Bisoglio
as Weapons Storage Officer (uncredited)
John Brandon
as Police Lieutenant (uncredited)
James Bulleit
as Det. Styles (uncredited)
Roy Cheverie
as Cop (uncredited)
Sam Coppola
Marjorie Eliot
as Rape Victim (uncredited)
René Enríquez
as Cervantes Teacher (uncredited)
Conard Fowkes
as Cop - Narcotics Raid (uncredited)
Frank Gio
Trent Gough
Paul E. Guskin
as Police Academy Classmate (uncredited)
Nick Hardin
as Television Cameraman (uncredited)
Judd Hirsch
Richard Kuss
as Detective (uncredited)
Tony Lo Bianco
George Loros
as Det. Glover (uncredited)
Kenneth McMillan
as Charlie (uncredited)
Stephen Pearlman
as Desk Sergeant (uncredited)
Tim Pelt
as Black Hood (uncredited)
William Pelt
Jay Rasumny
Franklin Scott
as Black Prisoner (uncredited)
Tom Signorelli
as Bookmaker (uncredited)
Ben Slack
as Detective Sitting At Desk (uncredited)
Jaime Sánchez
Tracey Walter
as Street Urchin (uncredited)
Mary Louise Weller
as Sally - Girl at Party (uncredited)
Judd Omen
as Doctor
Waldo Salt
Screenplay
Martin Bregman
Producer
Arthur J. Ornitz
Director of Photography
Dede Allen
Editor
Dino De Laurentiis
Executive Producer
Sidney Lumet
Director
Norman Wexler
Peter Maas
Book
Edward Beyer
Sound Editor
Jack Fitzstephens
Reginald Tackley
Makeup Artist
Robert M. Reitano
Richard P. Cirincione
Thomas H. Wright
Set Decoration
Roger M. Rothstein
Associate Producer
Richard Marks
Co-Editor
B.J. Bjorkman
Script Supervisor
Shirley Rich
Casting
Charles Bailey
Production Design
Anna Hill Johnstone
Costume Design
Douglas Higgins
Art Direction
Whitey Hughes
Stunts
Burtt Harris
Assistant Director
Alan Hopkins
Míkis Theodorakis
Original Music Composer