| Person | Type | Job | Role(s) |
|---|---|---|---|
 Allen Hall | Crew | Crew | Special Effects Coordinator |
Anne Marie Stein | Crew | Crew | Unit Publicist |
 Art Linson | Crew | Production | Producer |
Bette Iverson | Crew | Costume & Make-Up | Hairstylist |
 Bill Pankow | Crew | Editing | Editor |
Bob Olari | Crew | Sound | Sound Recordist |
 Brian De Palma | Crew | Directing | Director |
Dan Sable | Crew | Sound | Supervising Sound Editor |
 David Mamet | Crew | Writing | Writer |
Dick Vorisek | Crew | Sound | Sound Re-Recording Mixer |
E.C. Chen | Crew | Art | Set Designer |
Eliot Ness | Crew | Writing | Book |
 Ennio Morricone | Crew | Sound | Original Music Composer, Conductor |
Eric Schwab | Crew | Production | Location Manager |
 Gary Epper | Crew | Crew | Stunts |
 Gary Hymes | Crew | Crew | Stunt Coordinator |
George R. Schrader | Crew | Camera | Dolly Grip |
Gerald B. Greenberg | Crew | Editing | Editor |
 Gilbert B. Combs | Crew | Crew | Stunts |
Glen Trotiner | Crew | Directing | Assistant Director |
Gregory Lundsgaard | Crew | Camera | Steadicam Operator |
Hal Gausman | Crew | Art | Set Decoration |
Jack Fitzstephens | Crew | Sound | Sound Editor |
James M. Tanenbaum | Crew | Sound | Sound Mixer |
James W. Skotchdopole | Crew | Directing | Second Assistant Director |
Joe Napolitano | Crew | Directing | First Assistant Director |
 John Moses | Crew | Sound | Musician |
John Sweeney | Crew | Art | Assistant Property Master |
Mali Finn | Crew | Production | Casting |
 Marilyn Vance | Crew | Costume & Make-Up | Costume Design |
Mel Zelniker | Crew | Sound | ADR Recordist |
Michael Berenbaum | Crew | Sound | Assistant Sound Editor |
Michael DiCosimo | Crew | Sound | Dolby Consultant |
Michael Hancock | Crew | Costume & Make-Up | Makeup Artist |
Michele Imperato | Crew | Production | Assistant Production Coordinator |
Oscar Fraley | Crew | Writing | Book |
Ray Hubley | Crew | Editing | Editorial Services, Associate Editor |
Raymond Hartwick | Crew | Production | Associate Producer, Unit Production Manager |
Richard Patrick | Crew | Directing | Second Second Assistant Director |
Sam Moore | Crew | Art | Property Master |
Shari Leibowitz | Crew | Production | Production Coordinator |
Sioux Richards | Crew | Directing | Script Supervisor |
 Stephen H. Burum | Crew | Camera | Director of Photography |
Susan J. Bonno-Buckner | Crew | Production | Assistant Accountant |
Tara Timpone | Crew | Editing | First Assistant Editor |
Thomas S. Drescher | Crew | Sound | Music Editor |
 Tim A. Davison | Crew | Crew | Stunts |
William A. Elliott | Crew | Art | Art Direction |
Winnie D. Brown | Crew | Costume & Make-Up | Costume Supervisor |
Zade Rosenthal | Crew | Camera | Still Photographer |
Kelly R. Borisy | Crew | Camera | Grip |
Bob Munoz | Crew | Camera | Second Company Grip |
Matt Johnston | Crew | Crew | Stunts |
Emile Charlap | Crew | Sound | Music Supervisor |
George DiLeonardi | Crew | Crew | Transportation Captain |
Douglas Ryan | Crew | Camera | Camera Operator |
Tim Griffith | Crew | Lighting | Chief Lighting Technician |
Dale R. Janus | Crew | Sound | Boom Operator |
Alex Touyarot | Crew | Camera | First Assistant Camera |
Deborah Peretz | Crew | Editing | Assistant Editor |
Harriet Fidlow | Crew | Sound | ADR Editor |
Frank Keever | Crew | Camera | First Company Grip |
Elisha Birnbaum | Crew | Sound | Foley Supervisor |
Robert W. Dutton | Crew | Art | Leadman |
Dick Hansen | Crew | Costume & Make-Up | Set Dressing Artist |
Glenn Williams | Crew | Crew | Cableman |
Matthew Benjamin | Crew | Crew | Craft Service |
Clay Bartholomew | Crew | Crew | Driver |
Robert A. Hogan | Crew | Crew | Transportation Co-Captain |
Hayden D. Anglin | Crew | Crew | Transportation Coordinator |
Richard Ritchie | Crew | Editing | Color Timer |
Tim Phelps | Crew | Lighting | Rigging Gaffer |
Eve Cauley | Crew | Production | Research Assistant |
Sherwin Tarnoff | Crew | Crew | Weapons Master |
Douglas Kraner | Crew | Crew | Technical Advisor |
Cyd Adams | Crew | Production | Production Assistant |
Mort Hyatt | Crew | Lighting | Assistant Chief Lighting Technician |
Maureen Cunningham | Crew | Production | Assistant Location Manager |
Richard Clarkson | Crew | Camera | Second Assistant Camera |
Marvin Gardner | Crew | Crew | Special Effects Technician |
Faith Jones | Crew | Sound | Apprentice Sound Editor |
Gregory A. Jackson | Crew | Production | Location Assistant |
 Andy García | Cast | Actor | George Stone |
Anthony Mockus Sr. | Cast | Actor | Judge |
 Billy Drago | Cast | Actor | Nitti |
 Brad Sullivan | Cast | Actor | George |
 Charles Martin Smith | Cast | Actor | Oscar Wallace |
 Chelcie Ross | Cast | Actor | Reporter |
 Clem Caserta | Cast | Actor | Bodyguard |
 Clifton James | Cast | Actor | District Attorney (uncredited) |
 Del Close | Cast | Actor | Alderman |
 Don Harvey | Cast | Actor | Preseuski |
 Eddy Donno | Cast | Actor | Capone's Hitman (uncredited) |
Jack Fitzstephens | Cast | Actor | Train Announcer (uncredited) |
 Jack Kehoe | Cast | Actor | Payne |
Jennifer Anglin | Cast | Actress | Woman in Elevator |
 Joe Greco | Cast | Actor | Bodyguard |
 John Barrowman | Cast | Actor | Street Person (uncredited) |
Justin De Rosa | Cast | Capone's Hitman (uncredited) | |
 Kevin Costner | Cast | Actor | Eliot Ness |
 Larry Brandenburg | Cast | Actor | Reporter |
 Patricia Clarkson | Cast | Actress | Ness' Wife |
Peter Aylward | Cast | Actor | Lt. Anderson |
 Richard Bradford | Cast | Actor | Mike |
 Robert De Niro | Cast | Actor | Al Capone |
 Robert Miranda | Cast | Actor | Gunned Head |
 Robert Swan | Cast | Actor | Mountie Captain |
Sam Smiley | Cast | Bailiff | |
 Sean Connery | Cast | Actor | Jim Malone |
 Stephen Burrows | Cast | Actor | Hoodlum (uncredited) |
Steven Goldstein | Cast | Scoop | |
Tim Gamble | Cast | Actor | Reporter |
 Vito D'Ambrosio | Cast | Actor | Bowtie Driver |
 Will Zahrn | Cast | Actor | Defense Attorney |
 Collin Hymes | Cast | Actor | Baby in Carriage (uncredited) |
 Mike Bacarella | Cast | Actor | Overcoat Hood |
 Vince Viverito | Cast | Actor | Bodyguard |
Matt Johnston | Cast | Union Station Bodyguard (uncredited) | |
Bob Martana | Cast | Bodyguard | |
 Valentino Cimo | Cast | Bodyguard | |
 Greg Noonan | Cast | Rangemaster | |
John J. Walsh | Cast | Bartender | |
Colleen Bade | Cast | Mrs. Blackmer | |
Sean Grennan | Cast | Cop Cousin | |
Larry Viverito Sr. | Cast | Italian Waiter | |
Kevin Michael Doyle | Cast | Williamson | |
 Michael P. Byrne | Cast | Actor | Ness' Clerk |
Kaitlin Montgomery | Cast | Ness' Daughter | |
Aditra Kohl | Cast | Blackmer Girl | |
Charles Keller Watson | Cast | Reporter | |
 Pat Billingsley | Cast | Actor | Bailif |
John Bracci | Cast | Fat Man | |
Eddie Minasian | Cast | Butler | |
Joseph Scianablo | Cast | Bodyguard | |
George S. Spataro | Cast | Bodyguard | |
James Guthrie | Cast | Pagliacci | |
Basil Reale | Cast | Hotel Clerk | |
Louie Lanciloti | Cast | Barber | |
William Rossman | Cast | Gangster (uncredited) | |
Melody Rae | Cast | Actress | Union Station Woman |
Patricia E. Harrington | Cast | Actress | Street Person (uncredited) |
Jimmy Borto | Cast | Court Reporter (uncredited) | |
Ernest Capponi | Cast | Gangster at Round Table (uncredited) | |
Robert Minkoff | Cast | Man (uncredited) | |
| Person | Type | Job | Role(s) |
