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John Mills as Johnnie Penrose |
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Lilli Palmer as Jeanette |
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Bernard Nedell as The Boss |
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Michel André as Michel |
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H.G. Stoker as Dr. G.E. Penrose |
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Jean Wall as The Zebra |
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Paul Velsa as Peanuts |
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Marcel Maupi as Man in Panama Hat |
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Judy Kelly as Girl in Garage |
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Marcel André as |
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Georges Malkine as The Secretary |
| Writing | Austin Melford | Writer |
| Writing | Max Colpet | Original Story |
| Writing | Stafford Dickens | Writer |
| Production | Roy Ward Baker | Production Assistant |
| Art | Walter W. Murton | Art Direction |
| Writing | Billy Wilder | Original Story |
| Sound | Franz Waxman | Music |
| Production | Michael Balcon | Producer |
| Sound | Allan Gray | Music |
| Directing | Herbert Mason | Director |
| Sound | Louis Levy | Music Director |
| Crew | Arthur Crabtree | Cinematography |
| Writing | Jan Lustig | Original Story |
| Costume & Make-Up | Bob Clark | Makeup Artist |
| Editing | Michael Gordon | Editor |
