Directed by
| Albert S. Rogell | ||
Writing Credits (in alphabetical order)
| Brett Halliday | ... | (novel) (as Hal Debrett) |
| Robert Westerby | ... | (uncredited) |
Cast (in credits order)
| Mona Freeman | ... | April Haddon | |
| Jean Kent | ... | Florence Haddon | |
| Maxwell Reed | ... | Michael Elder | |
 |
Hugh Miller | ... | Mr. Driscoll |
| Gretchen Franklin | ... | Elsie | |
| Frederick Leister | ... | Dr. Elder | |
| Alexander Gauge | ... | Police sergeant | |
|
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Josephine Middleton | ... | Mrs. Harrison |
| Frank Forsyth | ... | Jack Storey | |
|
|
Stanley Van Beers | ... | Harry |
| Frank Atkinson | ... | Taxi driver | |
| Philip Ray | ... | Station master | |
|
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Robert Sansom | ... | Parson |
|
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Phyllis Cornell | ... | Dr. Elder's receptionist |
| Rest of cast listed alphabetically: | |||
|
|
Gerald Case | ... | Detective Inspector (uncredited) |
Produced by
| Charles Leeds | ... | producer (as Charles A. Leeds) |
| Steven Pallos | ... | producer (uncredited) |
Music by
| Leonard Salzedo | ||
Cinematography by
| Jack Asher | ... | (lighting cameraman) |
Editing by
| Jim Connock | ||
Art Direction by
| Scott MacGregor | ||
Makeup Department
| Ernest Gasser | ... | makeup artist (as Ernie Gasser) |
Production Management
| Frank Bevis | ... | production manager |
Second Unit Director or Assistant Director
| Douglas Hickox | ... | assistant director |
| Norman Harrison | ... | second assistant director (uncredited) |
Sound Department
| Dave Howells | ... | sound recordist |
| Clifford Sandall | ... | sound recordist (as Chris Sandel) |
| Gerry Humphreys | ... | sound camera operator (uncredited) |
| J. Meyers | ... | boom operator (uncredited) |
Visual Effects by
| Cliff Richardson | ... | scenic artist (uncredited) |
Camera and Electrical Department
| Gerald Moss | ... | camera operator (as Gerry Moss) |
| Jack Dooley | ... | still photographer (uncredited) |
| Eddie Earp | ... | focus puller: second unit (uncredited) |
| Gerald Gibbs | ... | lighting cameraman: second unit (uncredited) |
| T. Meyer | ... | focus puller (uncredited) |
| Michael Reed | ... | camera operator (uncredited) |
| Leo Rogers | ... | camera operator: second unit (uncredited) |
Editorial Department
| B. Lewis | ... | assembly cutter (uncredited) |
Music Department
| The Boyd Neel Orchestra | ... | music played by |
Additional Crew
| John Clein | ... | liaison |
