 | Hugh O'Brian als Daniel Slade Hardy |
 | Robert Evans als Felix Griffin |
 | Dolores Michaels als May |
 | Linda Cristal als Ellen Hardy |
 | Stephen McNally als Marshal Frank Emmett |
 | June Blair als Saloon Girl |
 | Edward Andrews als Judge Parker |
 | Ron Ely als Deputy Jim Dyer |
 | Ken Scott als Paul Finney |
 | Emile Meyer als Ames, Head Prison Guard |
 | Gregory Morton als Defense Attorney Gage |
 | Shari Lee Bernath als Janie Hardy |
 | Hal Needham als Courtroom Spectator (uncredited) |
| Gordon Douglas | Director |
| Eleazar Lipsky | Story |
| Harry Brown | Screenplay |
| Philip Yordan | Screenplay |
| Ben Hecht | Adaptation |
| Charles Lederer | Adaptation |
| Leon Klatzkin | Music Supervisor |
| Joseph MacDonald | Director of Photography |
| Lyle R. Wheeler | Art Direction |
| Walter M. Simonds | Art Direction |
| Walter M. Scott | Set Decoration |
| Chester L. Bayhi | Set Decoration |
| L.B. Abbott | Visual Effects |
| Hugh S. Fowler | Editor |
| Charles LeMaire | Wardrobe Designer |
| Adele Balkan | Costume Design |
| Ben Nye | Makeup Artist |
| Helen Turpin | Hairstylist |
| David Silver | Assistant Director |
| Eugene Grossman | Sound |
| Harry M. Leonard | Sound |
| Herbert B. Swope Jr. | Producer |
