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Wayne Morris as Gary Holden |
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Mary Germaine as Vivien Blake |
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Marcia Ashton as Susie |
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Mary Merrall as Mrs. Rydon-Smith |
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Walter Rilla as Frank Olsen |
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Leslie Linder as Henry Marsh |
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Percy Herbert as Casey O'Rourke |
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Wolf Frees as Tony Scott |
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Kenneth Griffith as Nobby |
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Victor Platt as George De Carlo |
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Arnold Marlé as Vittorio Miranda |
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Lloyd Lamble as Inspector Flynn |
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George Woodbridge as Farmer |
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Frank Atkinson as Lift Operator |
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Bartlett Mullins as Gallery Official |
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Dan Lester as Hall porter |
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Ernest Blyth as Art Gallery Visitor (uncredited) |
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Charles Hammond as Police Officer (uncredited) |
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Victor Harrington as Art Gallery Visitor (uncredited) |
| Directing | John Lemont | Director |
| Writing | Paul Erickson | Writer |
| Production | William N. Boyle | Producer |
| Sound | Lambert Williamson | Original Music Composer |
| Camera | Basil Emmott | Director of Photography |
| Editing | John Seabourne Sr. | Editor |
| Production | Nora Roberts | Casting Director |
| Art | John Stoll | Art Direction |
| Costume & Make-Up | Betty Baugh | Hairstylist |
| Costume & Make-Up | Ernest Gasser | Makeup Artist |
| Production | Peter Dixon | Unit Manager |
| Directing | Bernard Hanson | Assistant Director |
| Directing | Peter Dixon | First Assistant Director |
| Sound | Charles Poulton | Sound Recordist |
| Sound | Gerry Humphreys | Sound |
| Sound | Tommy Meyers | Boom Operator |
| Sound | Arthur Ridout | Sound Editor |
| Sound | Fred Ryan | Boom Operator |
| Camera | Humphrey Cull | Clapper Loader |
| Camera | Bernard Lewis | Camera Operator |
| Camera | Dennis Reed | Still Photographer |
| Camera | Nobby Smith | Focus Puller |
| Editing | Philip Auguste | First Assistant Editor |
| Directing | Doris Martin | Continuity |
| Production | Patricia Lees | Production Secretary |
