A hurricane swells outside, but it's nothing compared to the storm within the hotel at Key Largo. There, sadistic mobster Johnny Rocco holes up - and holds at gunpoint hotel owner James Temple, his widowed daughter-in-law Nora, and ex-GI Frank McCloud.
| Art | Leo K. Kuter | Art Direction |
| Editing | Rudi Fehr | Editor |
| Writing | John Huston | Screenplay |
| Writing | Richard Brooks | Screenplay |
| Writing | Maxwell Anderson | Theatre Play |
| Camera | Karl Freund | Director of Photography |
| Production | Jerry Wald | Producer |
| Directing | John Huston | Director |
| Sound | Murray Cutter | Orchestrator |
| Art | Fred M. MacLean | Set Decoration |
| Directing | John Prettyman | Assistant Director |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Art | Donald P. Desmond | Construction Coordinator |
| Crew | William C. McGann | Special Effects |
| Production | Chuck Hansen | Unit Manager |
| Crew | Robert Burks | Special Effects |
| Crew | Allen Pomeroy | Stunt Coordinator |
| Camera | Mac Julian | Still Photographer |
| Costume & Make-Up | Frank McCoy | Makeup Artist |
| Costume & Make-Up | Leah Rhodes | Costume Design |
| Directing | Arthur Lueker | Assistant Director |
| Sound | Max Steiner | Original Music Composer |
| Directing | Jean Baker | Script Supervisor |
| Sound | Dolph Thomas | Sound Designer |
| Costume & Make-Up | Betty Delmont | Hairstylist |
