Ex-gevangene Eddie en zijn vrouw Kristine proberen een nieuw leven op te bouwen voor zichzelf en hun dochter Kathy in San Francisco, maar politieagent Mike Vido is vastbesloten Eddie terug naar de gevangenis te sturen.
Nee, helaas is Once a Thief nog niet beschikbaar op Netflix in Nederland.
| Writing | Zekial Marko | Screenplay |
| Directing | Ralph Nelson | Director |
| Camera | Robert Burks | Director of Photography |
| Sound | Lalo Schifrin | Original Music Composer |
| Production | Jacques Bar | Producer |
| Editing | Fredric Steinkamp | Editor |
| Sound | Lalo Schifrin | Conductor |
| Sound | Paul Horn | Musician |
| Writing | Zekial Marko | Novel |
| Sound | Howard Roberts | Musician |
| Art | Jack Mills | Set Decoration |
| Sound | George 'Red' Callender | Musician |
| Sound | Conte Candoli | Musician |
| Sound | Shelly Manne | Musician |
| Production | Lindsley Parsons Jr. | Assistant Production Manager |
| Directing | Erich von Stroheim Jr. | Assistant Director |
| Production | J. Paul Popkin | Production Supervisor |
| Art | George W. Davis | Art Direction |
| Art | Henry Grace | Set Decoration |
| Production | Ralph Nelson | Associate Producer |
| Art | Paul Groesse | Art Direction |
| Costume & Make-Up | Sydney Guilaroff | Hairstylist |
| Production | Fred Engel | Associate Producer |
| Sound | Artie Kane | Musician |
| Sound | Buddy Collette | Musician |
| Costume & Make-Up | William Tuttle | Makeup Supervisor |
| Sound | Franklin Milton | Recording Supervision |
| Crew | Walter Kelley | Dialogue Coach |
