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Richard Carlson as Dr. Geoffrey Burton |
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Nancy Kelly as Pat Lindsay |
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Albert Bassermann as Dr. Storm |
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Miles Mander as Professor Langer |
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Edward Gargan as Officer Charlie Prescott |
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Adrian Morris as Officer John Prescott |
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Martin Kosleck as George Taylor |
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Walter Kingsford as Heydt |
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Cy Kendall as Dahlig |
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Nestor Paiva as Grube |
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Oscar O'Shea as Pa Prescott |
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Mary Gordon as Ma Prescott |
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Arthur Loft as Inspector Karns |
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Marion Martin as Nurse |
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Clem Bevans as Station Watchman |
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John Butler as Detective Jenks |
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John Dilson as Police Dr. Tracy |
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Kate MacKenna as Cook at Gas Station |
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Gladys Blake as Sales Clerk (Uncredited) |
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Nell Craig as Sales Clerk (Uncredited) |
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Milton Kibbee as Hotel Desk Clerk (Uncredited) |
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Eddie Acuff as Garage Attendantt (Uncredited) |
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Stanley Blystone as Policeman (Uncredited) |
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Wade Boteler as O'Brien (Uncredited) |
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Eddie Dunn as Police Sergeant (Uncredited) |
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Pat Flaherty as Taxi Driver at Station (Uncredited) |
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J. Anthony Hughes as Policeman at Garage (Uncredited) |
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Si Jenks as Gateman at Sanitarium (Uncredited) |
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Paul McVey as Cop on Small Town Street (Uncredited) |
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Ella Neal as Telephone Operator (Uncredited) |
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Dick Rich as Guard (Uncredited) |
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Harry Tenbrook as Truck Driver (Uncredited) |
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William Wright as Intern (Uncredited) |
| Production | Sol C. Siegel | Producer |
| Directing | Robert Siodmak | Director |
| Writing | Jay Dratler | Writer |
| Writing | F. Hugh Herbert | Writer |
| Editing | Arthur P. Schmidt | Editor |
| Camera | John F. Seitz | Director of Photography |
| Production | Colbert Clark | Associate Producer |
| Art | Haldane Douglas | Art Direction |
| Art | Hans Dreier | Art Direction |
| Writing | Sidney Sheldon | Story |
| Writing | Ben Roberts | Story |
| Sound | Gene Merritt | Sound Recordist |
| Sound | Ernst Toch | Original Music Composer |
| Sound | Gerard Carbonara | Original Music Composer |
| Sound | John Cope | Sound Recordist |
| Sound | John Leipold | Original Music Composer |
