Al Pacino

Officer Frank Serpico

John Randolph

Sidney Green

Jack Kehoe

Tom Keough

Biff McGuire

Captain McClain

Barbara Eda-Young

Laurie

Cornelia Sharpe

Leslie Lane

Tony Roberts

Bob Blair

John Medici

Pasquale

Allan Rich

D. A. Tauber

Norman Ornellas

Rubello

Edward Grover

Lombardo

Albert Henderson

Peluce

Hank Garrett

Malone

Damien Leake

Joey

Joseph Bova

Potts

Gene Gross

Captain Tolkin

John Stewart

Waterman

Woodie King Jr.

Larry

James Tolkan

Steiger

Ed Crowley

Barto

Bernard Barrow

Palmer

Sal Carollo

Mr. Serpico

Mildred Clinton

Mrs. Serpico

Nathan George

Smith

Gus Fleming

Dr. Metz

Richard Foronjy

Corsaro

Alan North

Brown

Lewis J. Stadlen

Berman

John McQuade

Kellogg

Ted Beniades

Sarno

John Lehne

Gilbert

M. Emmet Walsh

Gallagher

George Ede

Daley

Charles White

Delaney

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)

Judd Omen

Doctor

Sidney Lumet

Director

Dino De Laurentiis

Executive Producer

Waldo Salt

Screenplay

Arthur J. Ornitz

Director of Photography

Dede Allen

Editor

Norman Wexler

Screenplay

Martin Bregman

Producer

Peter Maas

Book

Jack Fitzstephens

Sound Editor

Reginald Tackley

Makeup Artist

Edward Beyer

Sound Editor

Richard P. Cirincione

Sound Editor

Robert M. Reitano

Sound Editor

B.J. Bjorkman

Script Supervisor

Richard Marks

Co-Editor

Roger M. Rothstein

Associate Producer

Douglas Higgins

Art Direction

Thomas H. Wright

Set Decoration

Anna Hill Johnstone

Costume Design

Charles Bailey

Production Design

Shirley Rich

Casting

Dino De Laurentiis

Producer

Whitey Hughes

Stunts

Burtt Harris

Assistant Director

Alan Hopkins

Assistant Director

Míkis Theodorakis

Original Music Composer