 | Anthony Quinn als The Basque |
 | James Mason als Professor Bergson |
 | Malcolm McDowell als Capt. Von Berkow |
 | Patricia Neal als Mrs. Bergson |
 | Kay Lenz als Leah Bergson |
 | Paul Clemens als Paul Bergson |
 | Christopher Lee als Gypsy |
 | Michael Lonsdale als Renoudot |
 | Robert Rhys als Gypsy Son |
 | Marcel Bozzuffi als Perea |
 | Peter Arne als Guide |
 | Neville Jason als Lt. Reinke |
 | Robert Brown als Major |
 | Rose Alba als Madame Alba |
 | Jim Broadbent als German Soldier |
 | Frederick Jaeger als German Major |
| J. Lee Thompson | Director |
| Bruce Nicolaysen | Screenplay |
| Maurice Binder | Associate Producer |
| Maurice Binder | Executive Producer |
| Derek Dawson | Executive Producer |
| Lester Goldsmith | Associate Producer |
| Geoffrey Helman | Associate Producer |
| Geoffrey Helman | Producer |
| Alan Strachan | Editor |
| Michael Reed | Director of Photography |
| Michael J. Lewis | Original Music Composer |
| Bruce Nicolaysen | Novel |
| Jean Forestier | Art Direction |
| Constantin Mejinsky | Art Direction |
| Derrick Bosch | Makeup Artist |
| Neville Smallwood | Makeup Artist |
| Inge Wolf | Hairstylist |
| Phillip Kenny | Production Manager |
| Kip Gowans | Assistant Director |
| Jack Towns | Property Master |
| Norman Bolland | Sound Recordist |
| Allan Sones | Sound Editor |
| Joe Powell | Stunt Coordinator |
| James Devis | Camera Operator |
| Tony Woodcock | Assistant Camera |
| Brian Owen-Smith | Wardrobe Supervisor |
| Gladys Goldsmith | Continuity |
| Alain Alexandre | Armorer |
