 | Burt Lancaster als Capt. Vallo (The Crimson Pirate) |
 | Nick Cravat als Ojo |
 | Eva Bartok als Consuelo |
 | Torin Thatcher als Humble Bellows |
 | James Hayter als Prof. Prudence |
 | Leslie Bradley als Baron Jose Gruda |
 | Margot Grahame als Bianca |
 | Noel Purcell als Pablo Murphy |
 | Frederick Leister als Sebastian |
 | Eliot Makeham als Governor |
 | Frank Pettingell als Colonel |
 | Dana Wynter als La Signorita |
 | Christopher Lee als Joseph (attache) |
 | Ewan Roberts als Claw Paw |
 | John Chandos als Stub Ear |
| Derek Tansley als Patch Eye |
 | Charles Farrell als Poison Paul |
| Robert Siodmak | Director |
| Roland Kibbee | Screenplay |
| Harold Hecht | Producer |
| Burt Lancaster | Producer |
| William Alwyn | Original Music Composer |
| Otto Heller | Director of Photography |
| Jack Harris | Editor |
| Norman Deming | Associate Producer |
| Russell Shearman | Special Effects |
| Gladys Atkinson | Hairstylist |
| Tony Sforzini | Makeup Artist |
| Maisie Kelly | Continuity |
| Arthur Evans | Still Photographer |
| Hal Britten | Underwater Camera |
| Paul Sheriff | Art Direction |
| Margaret Furse | Costume Design |
| Terry Hunter | Production Manager |
| Gus Agosti | Assistant Director |
| Vernon Sewell | Second Unit Director |
| Ken Adam | Assistant Art Director |
| Cecil Mason | Sound Recordist |
| A.E. Rudolph | Sound Director |
| Gus Drisse | Camera Operator |
| Marjorie Best | Costume Design |
| Muir Mathieson | Music Director |
