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.
| Directing | John Huston | Director |
| Production | John Huston | Producer |
| Sound | Franco Mannino | Music |
| Camera | Oswald Morris | Director of Photography |
| Editing | Ralph Kemplen | Editor |
| Writing | Claud Cockburn | Novel |
| Writing | Truman Capote | Screenplay |
| Writing | John Huston | Screenplay |
| Production | Jack Clayton | Producer |
| Production | Humphrey Bogart | Executive Producer |
| Sound | Kevin McClory | Boom Operator |
| Production | Jack Clayton | Associate Producer |
| Production | Angelo Rizzoli | Producer |
| Production | John Woolf | Producer |
| Art | Wilfred Shingleton | Art Direction |
| Costume & Make-Up | Betty Lee | Hairstylist |
| Costume & Make-Up | Connie Reeve | Makeup Artist |
| Directing | John Arnold | Assistant Director |
| Directing | Robert Sterne | Assistant Director |
| Art | John Hoesli | Assistant Art Director |
| Art | Harry White | Other |
| Crew | Reg Johnson | Special Effects |
| Visual Effects | Bryan Langley | Visual Effects |
| Editing | Roy Hyde | First Assistant Editor |
| Sound | Lambert Williamson | Music Director |
| Production | James H. Ware | Location Manager |
| Crew | Harriet Medin | Dialect Coach |
| Directing | Jeanie Sims | Assistant Director |
| Camera | Freddie Francis | Camera Operator |
| Directing | Angela Allen | Continuity |
| Sound | E. Law | Sound Recordist |
| Sound | George Stephenson | Sound Recordist |
| Production | Bill Kirby | Production Manager |
| Sound | Barbara Hopkins | Sound |
