| Person | Type | Job | Role(s) |
|---|---|---|---|
 Angela Allen | Crew | Directing | Continuity |
 Angelo Rizzoli | Crew | Production | Producer |
Bryan Langley | Crew | Visual Effects | Visual Effects |
Connie Reeve | Crew | Costume & Make-Up | Makeup Artist |
Franco Mannino | Crew | Sound | Music |
 Freddie Francis | Crew | Camera | Camera Operator |
George Stephenson | Crew | Sound | Sound Recordist |
 Harriet Medin | Crew | Crew | Dialect Coach |
Harry White | Crew | Art | Other |
 Humphrey Bogart | Crew | Production | Executive Producer |
 Jack Clayton | Crew | Production | Associate Producer, Producer |
James H. Ware | Crew | Production | Location Manager |
John Arnold | Crew | Directing | Assistant Director |
John Hoesli | Crew | Art | Assistant Art Director |
 John Huston | Crew | Directing | Director, Producer, Screenplay |
John Woolf | Crew | Production | Producer |
Kevin McClory | Crew | Sound | Boom Operator |
Lambert Williamson | Crew | Sound | Music Director |
 Oswald Morris | Crew | Camera | Director of Photography |
Ralph Kemplen | Crew | Editing | Editor |
Reg Johnson | Crew | Crew | Special Effects |
Robert Sterne | Crew | Directing | Assistant Director |
Roy Hyde | Crew | Editing | First Assistant Editor |
 Truman Capote | Crew | Writing | Screenplay |
Wilfred Shingleton | Crew | Art | Art Direction |
Betty Lee | Crew | Costume & Make-Up | Hairstylist |
Claud Cockburn | Crew | Writing | Novel |
Jeanie Sims | Crew | Directing | Assistant Director |
E. Law | Crew | Sound | Sound Recordist |
Bill Kirby | Crew | Production | Production Manager |
Barbara Hopkins | Crew | Sound | Sound |
 Aldo Silvani | Cast | Actor | Charles |
 Bernard Lee | Cast | Actor | Insp. Jack Clayton |
 Edward Underdown | Cast | Actor | Harry Chelm |
 Gina Lollobrigida | Cast | Actress | Maria Dannreuther |
 Giulio Donnini | Cast | Actor | Administrator |
Humphrey Bogart | Cast | Actor | Billy Dannreuther |
 Ivor Barnard | Cast | Actor | Maj. Jack Ross |
 Jennifer Jones | Cast | Actress | Gwendolen Chelm |
 Juan de Landa | Cast | Actor | Hispano-Suiza Driver |
Manuel Serrano | Cast | Actor | Ahmed (uncredited) |
 Marco Tulli | Cast | Actor | Ravello |
Mario Perrone | Cast | Actor | Purser on SS Nyanga |
 Mimmo Poli | Cast | Actor | Barman (uncredited) |
 Peter Lorre | Cast | Actor | Julius O'Hara |
 Peter Sellers | Cast | Actor | Billy Dannreuther (voice) (uncredited) |
 Robert Morley | Cast | Actor | Peterson |
 Saro Urzì | Cast | Actor | Captain of SS Nyanga |
| Person | Type | Job | Role(s) |
