Al Pacino character Officer Frank Serpico
Jack Kehoe character Tom Keough
Biff McGuire character Capt. Insp. McClain
Cornelia Sharpe character Leslie Lane
James Tolkan character Steiger
M. Emmet Walsh character Gallagher
Tony Roberts character Bob Blair
Allan Rich character D. A. Tauber
F. Murray Abraham character Detective Partner
Damien Leake character Joey
Alan North character Brown
Ted Beniades character Sarno
Kenneth McMillan character Charlie
Judd Hirsch character Cop
Tony Lo Bianco character Cop
Sam Coppola character Cop
Val Bisoglio character Weapons Storage Officer
Hank Garrett character Malone
John Medici character Pasquale
Barbara Eda-Young character Laurie
Joseph Bova character Potts
Gene Gross character Captain Tolkin
John Stewart character Waterman
Woodie King Jr. character Larry
Edward Grover character Lombardo
Norman Ornellas character Rubello
Albert Henderson character Peluce
Ed Crowley character Barto
Bernard Barrow character Palmer
Sal Carollo character Mr. Serpico
Mildred Clinton character Mrs. Serpico
Nathan George character Smith
Gus Fleming character Dr. Metz
Richard Foronjy character Corsaro
Lewis J. Stadlen character Berman
John McQuade character Kellogg
John Lehne character Gilbert
George Ede character Daley
Charles White character Delaney
P.J. Benjamin character Man
Don Billett character Detective Threatening Serpico
John Brandon character Police Lieutenant
James Bulleit character Det. Styles
Roy Cheverie character Cop
Marjorie Eliot character Rape Victim
René Enríquez character Cervantes Teacher
Conard Fowkes character Cop - Narcotics Raid
Frank Gio character Police Lieutenant
Trent Gough character Cop
Paul E. Guskin character Police Academy Classmate
Nick Hardin character Television Cameraman
Richard Kuss character Detective
George Loros character Det. Glover
Stephen Pearlman character Desk Sergeant
Tim Pelt character Black Hood
William Pelt character Black Hood
Jay Rasumny character Television Cameraman
Franklin Scott character Black Prisoner
Tom Signorelli character Bookmaker
Ben Slack character Detective Sitting At Desk
Jaime Sánchez character Cop
Tracey Walter character Street Urchin
Mary Louise Weller character Sally - Girl at Party
John Randolph character Sidney Green
