| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Strachan | Crew | Editing | Editor |
Allen Klein | Crew | Production | Producer |
 Anthony B. Richmond | Crew | Camera | Director of Photography |
Graham V. Hartstone | Crew | Sound | Sound Re-Recording Mixer |
Howard Koch | Crew | Production | Executive Producer |
 J. Lee Thompson | Crew | Directing | Director |
Laurence Myers | Crew | Production | Producer |
Michael Stringer | Crew | Art | Production Design |
Mort Abrahams | Crew | Production | Executive Producer |
Morton S. Fine | Crew | Writing | Screenplay, Story |
 Nico Mastorakis | Crew | Writing | Story |
Nicolas Le Messurier | Crew | Sound | Sound Re-Recording Mixer |
 Peter Robb-King | Crew | Costume & Make-Up | Makeup Artist |
Richard Hymns | Crew | Sound | Assistant Sound Editor |
Robin Gregory | Crew | Sound | Sound Mixer |
 Stanley Myers | Crew | Sound | Music |
Vernon Dixon | Crew | Art | Set Decoration |
William Trent | Crew | Sound | Sound Editor |
Win Wells | Crew | Writing | Story |
Ely A. Landau | Crew | Production | Producer |
 Les Landau | Crew | Production | Executive Producer |
Allan Sones | Crew | Sound | Sound Editor |
Ariel Levy | Crew | Directing | First Assistant Director |
 Michael Stevenson | Crew | Directing | Second Assistant Director |
Dino Di Campo | Crew | Sound | Sound Editor |
John Kongos | Crew | Sound | Music |
 Anthony Quinn | Cast | Actor | Theo Tomasis |
 Camilla Sparv | Cast | Actress | Simi Tomasis |
 Charles Durning | Cast | Actor | Michael Russell |
 Edward Albert | Cast | Actor | Nico Tamasis |
 Guy Deghy | Cast | Actor | Tablir |
 Jacqueline Bisset | Cast | Actress | Liz Cassidy |
 James Franciscus | Cast | Actor | President James Cassidy |
 Jill Melford | Cast | Actress | Magda |
 Joan Benham | Cast | Actress | Lady Allison |
 John Bennett | Cast | Actor | Servant |
 Joss Ackland | Cast | Actor | Naval officer (uncredited) |
 Katherine Schofield | Cast | Actress | Helena |
 Kathryn Leigh Scott | Cast | Actress | Nancy Cassidy |
 Linda Thorson | Cast | Actress | Angela |
 Luciana Paluzzi | Cast | Actress | Paola Scotti |
 Lucy Gutteridge | Cast | Actress | Mia |
 Marilù Tolo | Cast | Actress | Sophia Matalas |
 Raf Vallone | Cast | Actor | Spyros Tomasis |
 Robin Clarke | Cast | Actor | John Cassidy |
 Roland Culver | Cast | Actor | Robert Keith |
 Tony Jay | Cast | Actor | Doctor |
 Zozo Sapountzaki | Cast | Actress | Taverna Dancer |
Carinthia West | Cast | Actress | Beautiful Guest |
 Jonathan Bolt | Cast | Actor | Secret Service Agent |
| Person | Type | Job | Role(s) |
