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Ronald Colman as Dr. Martin Arrowsmith |
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Helen Hayes as Leora Tozer Arrowsmith |
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Richard Bennett as Gustav Sondelius |
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A.E. Anson as Professor Max Gottlieb |
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Clarence Brooks as Dr. Oliver Marchand |
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Alec B. Francis as Twyford |
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Claude King as Dr. Tubbs |
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Bert Roach as Bert Tozer |
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Myrna Loy as Joyce Lanyon |
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Russell Hopton as Terry Wickett |
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David Landau as State Veterinarian |
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Lumsden Hare as Sir Robert Fairland |
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Erville Alderson as Pioneer (uncredited) |
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Ward Bond as Cop (uncredited) |
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Beulah Bondi as Mrs. Tozer (uncredited) |
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Florence Britton as Miss Twyford (uncredited) |
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Nora Cecil as Nurse (uncredited) |
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Sidney De Gray as Dr. Hesselink (uncredited) |
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Cyril Delevanti as Committee Member (uncredited) |
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Walter Downing as City Clerk (uncredited) |
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Gibson Gowland as Committee Member (uncredited) |
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Sherry Hall as Reporter (uncredited) |
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Theresa Harris as Native Mother (uncredited) |
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Raymond Hatton as Drunk (uncredited) |
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Charlotte Henry as Pioneer Girl (uncredited) |
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George Humbert as Italian Uncle (uncredited) |
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DeWitt Jennings as B.W. Tozer (uncredited) |
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Mike Lally as Reporter (uncredited) |
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Lillian Lawrence as West Indies Townswoman at Meeting (uncredited) |
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Carl M. Leviness as Ship's Passenger (uncredited) |
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James A. Marcus as Old Doctor (uncredited) |
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Eric Mayne as Dignitary at Luncheon (uncredited) |
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Kendall McComas as Little Johnny (uncredited) |
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Edmund Mortimer as Ship's Passenger (uncredited) |
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John Qualen as Henry Novak (uncredited) |
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Edward Reinach as Dignitary (uncredited) |
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Milton Royce as Intern (uncredited) |
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Harry Schultz as Bartender (uncredited) |
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Pat Somerset as Ship's Officer (uncredited) |
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Adele Watson as Mrs. Novak (uncredited) |
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Bobby Watson as Little Neighbor (uncredited) |
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Eric Wilton as Ship's Officer (uncredited) |
| Directing | John Ford | Director |
| Art | Richard Day | Settings |
| Directing | Herbert Sutch | Assistant Director |
| Crew | Samuel Goldwyn | Presenter |
| Sound | Alfred Newman | Music Director |
| Sound | Jack Noyes | Sound |
| Writing | Sinclair Lewis | Novel |
| Writing | Sidney Howard | Screenplay |
| Sound | Ray Heindorf | Orchestrator |
| Production | Robert McIntyre | Casting |
| Production | Samuel Goldwyn | Producer |
| Art | Richard Day | Set Decoration |
| Editing | Hugh Bennett | Editor |
| Camera | Ray June | Director of Photography |
| Production | Arthur Hornblow Jr. | Executive Producer |
| Sound | Alfred Newman | Original Music Composer |
| Art | Richard Day | Art Direction |
