Directed by
| Arthur Crabtree | ||
Writing Credits
| Herbert J. Leder | ... | (screenplay) |
| Amelia Reynolds Long | ... | (original story) |
Cast (in credits order) verified as complete
| Marshall Thompson | ... | Major Cummings | |
| Terry Kilburn | ... | Capt. Chester (as Terence Kilburn) | |
| Michael Balfour | ... | Serg. Kasper | |
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Gil Winfield | ... | Dr. Warren |
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Shane Cordell | ... | Nurse |
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Stanley Maxted | ... | Col. Butler |
| James Dyrenforth | ... | Mayor | |
| Kim Parker | ... | Barbara Griselle | |
| E. Kerrigan Prescott | ... | Atomic Engineer (as Kerrigan Prescott) | |
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Kynaston Reeves | ... | Prof. Walgate |
| Peter Madden | ... | Dr. Bradley | |
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Meadows White | ... | Ben Adams (as R. Meadows White) |
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Lala Lloyd | ... | Amelia Adams |
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Robert MacKenzie | ... | Const. Gibbons |
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Launce Maraschal | ... | Melville |
| Rest of cast listed alphabetically: | |||
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Sheldon Allan | ... | Sentry (uncredited) |
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Alexander Archdale | ... | Minister (uncredited) |
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Eddie Boyce | ... | Jacques Griselle (uncredited) |
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Victor Hagan | ... | Villager (uncredited) |
| Victor Harrington | ... | Villager (uncredited) | |
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Jack Hetherington | ... | Sergeant in Office (uncredited) |
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Richard Neller | ... | Townsman (uncredited) |
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Tom Watson | ... | Technical Sergeant (uncredited) |
Produced by
| John Croydon | ... | producer |
| Richard Gordon | ... | executive producer (uncredited) |
| Ronald Kinnoch | ... | co-producer (uncredited) |
| Charles F. Vetter | ... | executive producer (uncredited) |
Music by
| Buxton Orr | ||
Editing by
| Richard Q. McNaughton | ... | (as R.Q. McNaughton) |
Makeup Department
| Barbara Barnard | ... | hairdresser |
| Jim Hydes | ... | makeup artist |
Production Management
| Ronald Kinnoch | ... | production manager (uncredited) |
Second Unit Director or Assistant Director
| Douglas Hickox | ... | assistant director |
Art Department
| John Elphick | ... | set designer |
Sound Department
| Peter Davies | ... | sound recordist |
| Terry Poulton | ... | dubbing editor |
Special Effects by
| Peter Neilson | ... | special effects |
| Flo Nordhoff | ... | special effects: Ruppel & Nordhoff (uncredited) |
| Karl-Ludwig Ruppel | ... | special effects: Ruppel & Nordhoff (uncredited) |
Camera and Electrical Department
| Lionel Banes | ... | lighting cameraman |
| Martin Curtis | ... | photographer: second unit |
| Leo Rogers | ... | camera operator |
Costume and Wardrobe Department
| Anna Duse | ... | dress supervisor |
Music Department
| Frederic Lewis | ... | conductor |
Script and Continuity Department
| Hazel Swift | ... | continuity |
