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William Powell as Dr. Lawrence 'Brad' Bradford |
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Jean Arthur as Paula Bradford |
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James Gleason as Inspector Corrigan |
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Eric Blore as Stokes, Bradford's Butler |
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Robert Armstrong as Nick Martel, Bookie |
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Lila Lee as Miss Prentiss, Bradford's Receptionist |
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Grant Mitchell as John Summers, Luxury's Owner |
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Erin O'Brien-Moore as Mrs. Summers |
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Ralph Morgan as Leroy Hutchins, War Cloud's Owner |
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Lucile Gleason as Mrs. Hutchins |
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Johnny Arthur as Mr. Frankenstein (uncredited) |
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Stanley Blystone as Police Radio Operator (uncredited) |
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Tom Brower as Police Sergeant (uncredited) |
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Spencer Charters as Dr. Bunting (uncredited) |
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Frankie Darro as Spike Salisbury (uncredited) |
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John Dilson as Analyst Examining Gelatin Capsule (uncredited) |
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James Donlan as Taxi Driver (uncredited) |
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Paul Fix as Lou Pender (uncredited) |
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Dorothy Granger as Fill-in Receptionist (uncredited) |
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Sam Hayes as Race Announcer (uncredited) |
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Rollo Lloyd as Landlord (uncredited) |
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Edward McWade as Minister in Film (uncredited) |
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Frank Reicher as Henry Strand (uncredited) |
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Charles Richman as Mr. Curtis (uncredited) |
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Syd Saylor as Detective (uncredited) |
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John Sheehan as Bert Murphy (uncredited) |
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Buster Slaven as Newsboy (uncredited) |
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Al St. John as Morgue Attendant (uncredited) |
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Henry Stone as Ray Torro (uncredited) |
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Bob Tansill as Joe Jerino (uncredited) |
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Frank M. Thomas as Mike North (uncredited) |
| Art | Perry Ferguson | Assistant Art Director |
| Art | Darrell Silvera | Set Dresser |
| Writing | Anthony Veiller | Screenplay |
| Directing | Wallace Fox | Second Unit Director |
| Directing | Louis Shapiro | Second Assistant Director |
| Directing | John Sherwood | Second Assistant Director |
| Sound | Clem Portman | Sound |
| Crew | Harry Redmond Jr. | Special Effects |
| Camera | Jack MacKenzie | Second Unit Director of Photography |
| Sound | Max Steiner | Original Music Composer |
| Sound | Roy Webb | Original Music Composer |
| Crew | Amalia Kent | Script |
| Crew | Ruthalice Selznick | Script |
| Directing | Stephen Roberts | Director |
| Writing | James Edward Grant | Story |
| Production | Edward Kaufman | Associate Producer |
| Camera | J. Roy Hunt | Director of Photography |
| Art | Van Nest Polglase | Art Direction |
| Costume & Make-Up | Bernard Newman | Costume Design |
| Directing | Clem Beauchamp | Assistant Director |
| Sound | John L. Cass | Sound Recordist |
| Editing | Arthur Roberts | Editor |
| Sound | Roy Webb | Music Director |
