Directed by
| Michael Powell | ||
Writing Credits (in alphabetical order)
| Jack Celestin | ... | (story) |
| Selwyn Jepson | ... | (dialogue) |
| Selwyn Jepson | ... | (scenario) |
Cast (in credits order) complete, awaiting verification
 |
Judy Gunn | ... | Mary Lee |
| Louis Hayward | ... | John Gregg | |
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David Hutcheson | ... | Thompson (as Dave Hutcheson) |
| Googie Withers | ... | Minnie | |
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Morris Harvey | ... | Company President |
| Aubrey Dexter | ... | Vice-President | |
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Eve Turner | ... | Kathleen |
| Bernard Miles | ... | Allan | |
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Jack Knight | ... | Managing Director |
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Gilbert Davis | ... | Hosiah Smith, Chief Chemist |
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Shayle Gardner | ... | Night Watchman |
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James Craig | ... | Boiler Man |
| Rest of cast listed alphabetically: | |||
| Thorley Walters | ... | Chemist | |
| Ian Wilson | ... | Chemist | |
| Frank Forsyth | ... | Chemist (uncredited) | |
Produced by
| John Findlay | ... | producer (uncredited) |
| Leslie Landau | ... | producer (as Leslie L. Landau) |
Music by
| Charles Cowlrick | ... | (uncredited) |
Cinematography by
| Arthur Crabtree | ... | (photography) |
Art Direction by
| Ralph W. Brinton | ... | (uncredited) |
