Directed by
| Ernest Morris | ||
Writing Credits (in alphabetical order)
| Brian Clemens | ||
| Eldon Howard | ||
| Joseph Pole | ... | (story) |
Cast (in credits order)
| Gerard Heinz | ... | Constantin | |
| Margaret Tyzack | ... | Hilda | |
| Ferdy Mayne | ... | Ziegler | |
 |
Dawn Beret | ... | Gerda (as Dawn Berrington) |
| Peter Reynolds | ... | Jarvost | |
| Vincent Ball | ... | Ransome | |
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George Mikell | ... | Brauwitz |
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John Gabriel | ... | Carl |
| Rest of cast listed alphabetically: | |||
| Robert Bruce | ... | Editor | |
| Robert Crewdson | ... | Newmens | |
|
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Hugh Cross | ... | Official |
|
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Jill Hyem | ... | Stewardess |
|
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Cavan Malone | ... | Hoffman |
|
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Bernadette Milnes | ... | Bar Girl |
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Richard Shaw | ... | Franz |
| Victor Harrington | ... | Passenger at Croydon Airport (uncredited) | |
Produced by
| Edward J. Danziger | ... | producer |
| Harry Lee Danziger | ... | producer |
Music by
| Bill LeSage | ||
Cinematography by
| Stephen Dade | ... | director of photography |
Editing by
| Spencer Reeve | ||
Art Direction by
| Norman G. Arnold | ||
Sound Department
| John Smith | ... | sound |
Music Department
| Albert Elms | ... | composer: stock music (uncredited) |
