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Basil Rathbone as Dr. George Sebastian / Dr. Langamann |
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Ellen Drew as Linda Booth |
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John Howard as Gil Sawyer |
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Barbara Jo Allen as Louise Watkins (as Barbara Allen [Vera Vague]) |
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Ralph Morgan as Dr. Charles Downer |
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Martin Kosleck as Maurice Gretz |
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Kitty Kelly as Winnie |
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Hugh O'Connell as Lawrence Watkins |
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Henry Victor as Furber (Uncredited) |
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Wanda McKay as Girl at Charity Bazaar (Uncredited) |
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James Seay as Intern (Uncredited) |
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William Benedict as Mickey Barnes (Uncredited) |
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George Chandler as Elevator Operator (Uncredited) |
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Edward Earle as Librarian (Uncredited) |
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Chuck Hamilton as Police Officer at Train Station (Uncredited) |
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Harry Hayden as Ticket Clerk (Uncredited) |
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Douglas Kennedy as Hotel Clerk (Uncredited) |
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John Laing as Intern (Uncredited) |
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Charles McAvoy as Officer Riley (Uncredited) |
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Howard M. Mitchell as Butler (Uncredited) |
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Ruth Rogers as Woman at Charity Bazaar (Uncredited) |
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Sheila Ryan as Hostess at Charity Bazaar (Uncredited) |
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Hugh Sothern as Dr. Hatch (Uncredited) |
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Max Wagner as Cab Driver (Uncredited) |
| Costume & Make-Up | Edith Head | Costume Design |
| Crew | Gordon Jennings | Special Effects |
| Art | Hans Dreier | Art Direction |
| Directing | Tim Whelan | Director |
| Editing | Archie Marshek | Editor |
| Sound | Victor Young | Original Music Composer |
| Art | Robert Usher | Art Direction |
| Production | George M. Arthur | Producer |
| Camera | Ted Tetzlaff | Director of Photography |
| Writing | Howard J. Green | Screenplay |
| Crew | Adolph Zukor | Presenter |
| Art | A. E. Freudeman | Interior Designer |
| Sound | Harry D. Mills | Sound Recordist |
| Visual Effects | Farciot Edouart | Visual Effects |
| Directing | Joseph C. Youngerman | Assistant Director |
| Sound | John Cope | Sound Recordist |
| Crew | Stephan Pasternacki | Additional Music |
