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John Stuart as Larry Dean |
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Aileen Marson as Joan Thurston |
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Hugh Miller as Martin Creet |
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Garry Marsh as Tubby Storman |
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Michael Shepley as Mark Elliot |
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J.H. Roberts as Dr. Thurston |
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Anthony Holles as Inspector Aguilar |
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Percy Walsh as Monty Carr |
| Writing | John Hunter | Writer |
| Production | Herbert Smith | Producer |
| Sound | Harold V. King | Sound |
| Directing | T. Hayes Hunter | Director |
| Art | Norman G. Arnold | Art Direction |
| Directing | Arthur Alcott | Assistant Director |
| Crew | Alex Bryce | Cinematography |
