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