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