Directed by
| Gordon Flemyng | ||
Writing Credits
| John Creasey | ... | (based on the character created by) |
| Terry Nation | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Steve Forrest | ... | John Mannering 'The Baron' | |
| Sue Lloyd | ... | Cordelia Winfield | |
| Dudley Sutton | ... | Bran Carlton | |
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Reginald Marsh | ... | Captain Brenner |
| Derek Newark | ... | Calvin Baggio | |
| David Healy | ... | David Laver | |
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Michael Hawkins | ... | Inspector Ralph Nelson |
| Warren Stanhope | ... | Willis | |
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Roland Brand | ... | Coleman |
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Terence Mountain | ... | Peters (as Terry Mountain) |
| Jeffry Wickham | ... | Paul Millet | |
| William Buck | ... | Lt. Lang | |
| Rest of cast listed alphabetically: | |||
| Ed Bishop | ... | Naval officer (uncredited) | |
| Alan Gifford | ... | Naval officer (uncredited) | |
Produced by
| Monty Berman | ... | producer |
Music by
| Edwin Astley | ||
Cinematography by
| Gilbert Taylor | ... | director of photography (as Gil Taylor) |
Editing by
| Derek Chambers | ... | (as Derek Hyde Chambers) |
Casting By
| Anthony Arnell | ||
Art Direction by
| Charles Bishop | ||
Makeup Department
| Gerry Fletcher | ... | makeup supervisor |
| Mervyn Medalie | ... | hair stylist |
Production Management
| Johnny Goodman | ... | production supervisor |
Second Unit Director or Assistant Director
| Ken Baker | ... | assistant director |
| John Hough | ... | second unit director |
Art Department
| Bill Greene | ... | construction manager |
| Len Townsend | ... | associate art director (as Leonard Townsend) |
Sound Department
| Norman Coggs | ... | sound recordist |
| Len Shilton | ... | sound recordist |
| William Tout | ... | sound editor |
Camera and Electrical Department
| Ted Hallows | ... | gaffer |
| Allan Jones | ... | focus operator |
| Frank Watts | ... | camera operator |
Costume and Wardrobe Department
| Rene Coke | ... | wardrobe supervisor |
Editorial Department
| Philip Aizlewood | ... | post-production supervisor |
Music Department
| Deveril Goodman | ... | music editor |
Script and Continuity Department
| Terry Nation | ... | script supervisor |
| Valerie E. Norman | ... | continuity (as Valery Norman) |