A young man zigzags through the sordid vortex of downtown Los Angeles while seeking vengeance on the man that beat his father.
| Directing | Joseph Losey | Director |
| Writing | Stanley Ellin | Novel |
| Writing | Joseph Losey | Screenplay |
| Writing | Stanley Ellin | Screenplay |
| Writing | Hugo Butler | Screenplay |
| Writing | Ring Lardner, Jr. | Screenplay |
| Production | Philip A. Waxman | Producer |
| Sound | Lyn Murray | Original Music Composer |
| Camera | Hal Mohr | Director of Photography |
| Editing | Edward Mann | Editor |
| Art | Nicolai Remisoff | Art Direction |
| Art | Edward G. Boyle | Set Decoration |
| Costume & Make-Up | Joe King | Costume Design |
| Sound | Leon Becker | Sound Designer |
| Sound | Mac Dalgleish | Sound Designer |
| Art | John Orlando | Property Master |
