De heren Peterson, O'Hara, Ross en Ravello willen per schip naar Centraal Afrika voor zaken. Gedurende een oponthoud in een Italiaanse havenplaats krijgen ze gezelschap van Billy en Maria Dannreuther en Gwendolen en Harry Chelm, die eveneens zakelijke plannen hebben.
| Sound | Franco Mannino | Music |
| Camera | Oswald Morris | Director of Photography |
| Directing | John Huston | Director |
| Production | John Huston | Producer |
| Writing | Truman Capote | Screenplay |
| Writing | Claud Cockburn | Novel |
| Editing | Ralph Kemplen | Editor |
| Writing | John Huston | Screenplay |
| Production | Jack Clayton | Producer |
| Production | Humphrey Bogart | Executive Producer |
| Sound | Kevin McClory | Boom Operator |
| Production | John Woolf | Producer |
| Production | Angelo Rizzoli | Producer |
| Production | Jack Clayton | Associate Producer |
| Costume & Make-Up | Betty Lee | Hairstylist |
| Costume & Make-Up | Connie Reeve | Makeup Artist |
| Production | James H. Ware | Location Manager |
| Directing | Jeanie Sims | Assistant Director |
| Art | Harry White | Other |
| Directing | Robert Sterne | Assistant Director |
| Crew | Reg Johnson | Special Effects |
| Sound | Lambert Williamson | Music Director |
| Editing | Roy Hyde | First Assistant Editor |
| Art | Wilfred Shingleton | Art Direction |
| Art | John Hoesli | Assistant Art Director |
| Visual Effects | Bryan Langley | Visual Effects |
| Camera | Freddie Francis | Camera Operator |
| Directing | John Arnold | Assistant Director |
| Crew | Harriet Medin | Dialect Coach |
| Directing | Angela Allen | Continuity |
| Sound | George Stephenson | Sound Recordist |
| Sound | E. Law | Sound Recordist |
| Production | Bill Kirby | Production Manager |
| Sound | Barbara Hopkins | Sound |
| Camera | Robert Capa | Still Photographer |
