| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Newman | Crew | Sound | Original Music Composer, Music Director |
 Ben Nye | Crew | Costume & Make-Up | Makeup Artist |
 Charles LeMaire | Crew | Costume & Make-Up | Wardrobe Master |
 Darryl F. Zanuck | Crew | Production | Executive Producer |
 Dick Smith | Crew | Costume & Make-Up | Makeup Artist |
Edward B. Powell | Crew | Sound | Orchestrator |
Fred Sersen | Crew | Visual Effects | Visual Effects |
 Henry Hathaway | Crew | Directing | Director |
J. Watson Webb Jr. | Crew | Editing | Editor |
James P. McGuire | Crew | Writing | Writer, Technical Advisor |
Jay Dratler | Crew | Writing | Screenplay |
Jerome Cady | Crew | Writing | Screenplay |
Joseph MacDonald | Crew | Camera | Director of Photography |
Kay Nelson | Crew | Costume & Make-Up | Costume Design |
Leonard Hoffman | Crew | Writing | Adaptation |
 Lyle R. Wheeler | Crew | Art | Art Direction |
Mark-Lee Kirk | Crew | Art | Art Direction |
 Otto Lang | Crew | Production | Producer |
Raymond A. Klune | Crew | Production | Production Manager |
Roger Heman Sr. | Crew | Sound | Sound |
Sam Benson | Crew | Costume & Make-Up | Wardrobe Designer |
Sam Wurtzel | Crew | Production | Production Manager |
Thomas Little | Crew | Art | Set Decoration |
Thomas Tuttle | Crew | Costume & Make-Up | Makeup Artist |
Walter M. Scott | Crew | Art | Set Decoration |
 Quentin Reynolds | Crew | Writing | Adaptation |
Joseph E. Rickards | Crew | Directing | Assistant Director |
Stanley K. Scheuer | Crew | Directing | Script Supervisor |
Jack McPhaul | Crew | Writing | Story Consultant |
Abe Steinberg | Crew | Directing | Assistant Director |
Myrtle Ford | Crew | Costume & Make-Up | Hairstylist |
Frank Cory | Crew | Camera | Grip |
W.D. Flick | Crew | Sound | Sound |
Til Gabani | Crew | Camera | Camera Operator |
Paul Russell | Crew | Camera | Still Photographer |
Jerry Milligan | Crew | Camera | Still Photographer |
Abe Dinovitch | Cast | Actor | Polish Man (uncredited) |
 Addison Richards | Cast | Actor | State Commissioner John Albertson (uncredited) |
 Al Capone | Cast | Actor | Capone (archive footage) (uncredited) |
Ann Staunton | Cast | Actress | Chicago Times Telephone Operator (uncredited) |
 Arthur Peterson | Cast | Actor | Keeler's Polygraph Assistant (uncredited) |
Ben Erway | Cast | Actor | Photo Lab Technician (uncredited) |
 Betty Garde | Cast | Actress | Wanda Skutnik |
 Charles Lane | Cast | Actor | Prosecuting Attorney (uncredited) |
Charles Miller | Cast | Actor | Parole Board Member (uncredited) |
 Cy Kendall | Cast | Actor | Second Bartender (uncredited) |
Dick Ryan | Cast | Actor | Parole Board Member (uncredited) |
 E.G. Marshall | Cast | Actor | Rayska (uncredited) |
 Eddie Dunn | Cast | Actor | Patrolman John W. Bundy (uncredited) |
 Freddie Steele | Cast | Actor | Holdup Man (uncredited) |
 George Cisar | Cast | Actor | Policeman (uncredited) |
 George Melford | Cast | Actor | Parole Board Member (uncredited) |
 George Pembroke | Cast | Actor | Policeman (uncredited) |
George Spaulding | Cast | Man on Parole Board (uncredited) | |
 George Tyne | Cast | Actor | Tomek Zaleska (uncredited) |
 Helen Foster | Cast | Actress | Secretary (uncredited) |
 Helen Walker | Cast | Actress | Laura McNeal |
 Henry Kulky | Cast | Actor | First Bartender (uncredited) |
 Howard Smith | Cast | Actor | K.L. Palmer |
 J.M. Kerrigan | Cast | Actor | Sullivan - Court Bailiff (uncredited) |
 James Dime | Cast | Actor | Poker Player (uncredited) |
 James Stewart | Cast | Actor | P.J. 'Jim' McNeal |
 Joanne De Bergh | Cast | Actress | Helen Wiecek |
Joe Ploski | Cast | Actor | Polish Man (uncredited) |
 John Bleifer | Cast | Actor | Jan Gruska (uncredited) |
 John McIntire | Cast | Actor | Sam Faxon |
 Jonathan Hale | Cast | Actor | Governor's Aide Robert Winston (uncredited) |
 Joseph Forte | Cast | Actor | Parole Board Member (uncredited) |
 Kasia Orzazewski | Cast | Actress | Tillie Wiecek |
 Larry J. Blake | Cast | Actor | Police Photographic Technician (uncredited) |
 Lee J. Cobb | Cast | Actor | Brian Kelly |
Lester Sharpe | Cast | Actor | Illinois State Journal Technician (uncredited) |
 Lionel Stander | Cast | Actor | Wiecek's Cellmate Corrigan (uncredited) |
 Michael Chapin | Cast | Actor | Frank Wiecek Jr. (uncredited) |
 Moroni Olsen | Cast | Actor | Parole Board Chairman |
 Otto Waldis | Cast | Actor | Boris Siskovich (uncredited) |
 Paul Harvey | Cast | Actor | Martin J. Burns |
 Paul Kruger | Cast | Actor | Detective (uncredited) |
 Percy Helton | Cast | Actor | Mailman William Decker (uncredited) |
 Perry Ivins | Cast | Actor | Illinois State Journal Technician (uncredited) |
 Ray Spiker | Cast | Actor | Barfly (uncredited) |
 Rex Downing | Cast | Actor | Copy Boy (uncredited) |
Richard Bishop | Cast | Actor | Warden of Stateville Prison (uncredited) |
 Richard Conte | Cast | Actor | Frank W. Wiecek |
 Richard Rober | Cast | Actor | Sgt. Larson (uncredited) |
 Robert Adler | Cast | Actor | Taxicab Driver (uncredited) |
 Robert B. Williams | Cast | Actor | Illinois State Journal Technician |
 Robert Karnes | Cast | Actor | Pete (uncredited) |
 Samuel S. Hinds | Cast | Actor | Judge Charles Moulton (uncredited) |
 Thelma Ritter | Cast | Actress | Captain's Secretary (uncredited) |
 Truman Bradley | Cast | Actor | Narrator (voice) (uncredited) |
 Walter Greaza | Cast | Actor | Police Capt. Norris (uncredited) |
Wanda Perry | Cast | Actress | Chicago Times Telophone Reporter (uncredited) |
 William Post Jr. | Cast | Actor | Sixth Precinct Desk Sergeant (uncredited) |
Jane Crowley | Cast | Actress | Anna Felczak (uncredited) |
 Edward Peil Jr. | Cast | Actor | Bartender (uncredited) |
Peter Seal | Cast | Minor Role (uncredited) | |
 George Turner | Cast | Holdup Man (uncredited) | |
Norman McKay | Cast | Detective (uncredited) | |
Duke Watson | Cast | Policeman (uncredited) | |
 John Dillinger | Cast | Actor | Dillinger (archive footage) (uncredited) |
Dollie Caillet | Cast | Secretary (uncredited) | |
Carl Kroenke | Cast | Guard (uncredited) | |
Stanley Gordon | Cast | Prison Clerk (uncredited) | |
Leonarde Keeler | Cast | Leonarde Keeler (uncredited) | |
Bill Vendetta | Cast | Chicago Times Photographer (uncredited) | |
Jack Mannick | Cast | Polish man (uncredited) | |
Buck Harrington | Cast | Bartender (uncredited) | |
Lew Eckles | Cast | Policeman (uncredited) | |
Philip Lord | Cast | Policeman (uncredited) | |
| Person | Type | Job | Role(s) |
