| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anthony Powell | Crew | Costume & Make-Up | Costume Design |
 Dario Simoni | Crew | Art | Set Decoration |
Derek Ball | Crew | Sound | Sound |
 Douglas Slocombe | Crew | Camera | Director of Photography |
 George Cukor | Crew | Directing | Director |
Gil Parrondo | Crew | Art | Art Direction |
 Graham Greene | Crew | Writing | Novel |
Harry W. Tetrick | Crew | Sound | Sound |
Hugh Wheeler | Crew | Writing | Screenplay |
James Cresson | Crew | Production | Producer |
 Jay Presson Allen | Crew | Writing | Screenplay |
John Box | Crew | Art | Production Design |
José Antonio Sánchez | Crew | Costume & Make-Up | Makeup Artist |
Robert Fryer | Crew | Production | Producer |
Robert W. Laing | Crew | Art | Art Direction |
Russell Thacher | Crew | Production | Associate Producer |
Tony Hatch | Crew | Sound | Original Music Composer |
Van Allen James | Crew | Sound | Sound Editor |
Carmen Sánchez | Crew | Costume & Make-Up | Hair Designer |
John Bloom | Crew | Editing | Editor |
 Aldo Sambrell | Cast | Actor | Hakim's Assistant (uncredited) |
 Alec McCowen | Cast | Actor | Henry Pulling |
 Antonio Pica | Cast | Actor | Elegant Man |
 Bernard Holley | Cast | Actor | Bobby |
Cass Martin | Cast | Actor | Boat Skipper (uncredited) |
 Charly Bravo | Cast | Actor | Policeman (uncredited) |
 Cindy Williams | Cast | Actress | Tooley |
 Corinne Marchand | Cast | Actress | Louise |
 Daniel Emilfork | Cast | Actor | Colonel Hakim |
David Swift | Cast | Actor | John Sparrow |
 Diane Lepvrier | Cast | Actress | Rita (uncredited) |
 Javier Escrivá | Cast | Actor | Dancer in Messagero (uncredited) |
 Jesús Guzmán | Cast | Actor | Undertaker's Worker (uncredited) |
 John Hamill | Cast | Actor | Crowder's Man |
 José Luis López Vázquez | Cast | Actor | Dambreuse |
 Julio Peña | Cast | Actor | M. Alexandre (uncredited) |
 Louis Gossett Jr. | Cast | Actor | Wordsworth |
 Maggie Smith | Cast | Actress | Augusta Bertram |
Patricia Wright | Cast | Actress | Cabaret Customer (uncredited) |
 Raymond Gérôme | Cast | Actor | Mario |
 Robert Flemyng | Cast | Actor | Crowder |
 Robert Stephens | Cast | Actor | Ercole Visconti |
 Valerie White | Cast | Actress | Mme Dambreuse |
 William Layton | Cast | Actor | Art Expert (uncredited) |
 Guy Standeven | Cast | Actor | Pub Patron (uncredited) |
Alex Savage | Cast | Minister | |
| Person | Type | Job | Role(s) |
