Directed by
| Antony Kearey | ||
| Robert Lynn | ||
Writing Credits
| John Gosling | ... | (book) |
| Gerald Kelsey | ... | (screenplay) |
| Dick Sharples | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Donald Wolfit | ... | Sir Andrew Wilson | |
| Michael Quinn | ... | Nick Craig | |
 |
Barbara Evans | ... | Princess Nadia |
| Honor Blackman | ... | Laura | |
| Angela Browne | ... | Helen Winters | |
| Robert Rietty | ... | Decker | |
| Marne Maitland | ... | Sabri | |
| Warren Mitchell | ... | Affiat | |
|
|
Maxwell Shaw | ... | Leeser |
| Richard Marner | ... | Hans Cannack | |
| Rest of cast listed alphabetically: | |||
|
|
Tim Brinton | ... | TV Newsreader (uncredited) |
| Maxwell Craig | ... | Swiss Policeman at Finishing School (uncredited) | |
|
|
Ernest Fennemore | ... | Man in Uniform at Airport (uncredited) |
Produced by
| Connery Chapell | ... | producer (as Connery Chappell) |
| Denis Holt | ... | associate producer |
Music by
| Philip Green | ||
Editing by
| Len Walter | ||
Art Direction by
| Lionel Couch | ||
Makeup Department
| Trevor Crole-Rees | ... | makeup artist |
Production Management
| Donald Toms | ... | unit manager |
Second Unit Director or Assistant Director
| Frank Hollands | ... | assistant director |
Sound Department
| Peter Davies | ... | sound recordist (as Peter T. Davies) |
| Lionel Selwyn | ... | dubbing editor |
Camera and Electrical Department
| Nicolas Roeg | ... | cameraman (as Nick Roeg) |
| Alex Thomson | ... | camera operator (as Alex Thompson) |
Editorial Department
| Peter Saunders | ... | supervising editor |
Music Department
| John Beaton | ... | music editor |
Script and Continuity Department
| Joy Mercer | ... | continuity |