cast
- Claude Rains
- Adam Lemp
- Jeffrey Lynn
- Felix Deitz
- John Garfield
- Mickey Borden
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- Frank McHugh
- Ben Crowley
- May Robson
- Aunt Etta
- Gale Page
- Emma Lemp
- Dick Foran
- Ernest Talbot
- Eddie Albert
- Dr. Clinton Forrest, Jr.
- Henry O'Neill
- Dr. Clinton Forrest, Sr.
- Vera Lewis
- Mrs. Ridgefield
- Priscilla Lane
- Ann Lemp
- Rosemary Lane
- Kay Lemp
- Lola Lane
- Thea Lemp
- Olin Howland
- Joe
- George Reeves
- Laboratory man
- Ruth Tobey
- Mathilde
- John Qualen
- Frank
crew
- Michael Curtiz
- Director
- Hal B. Wallis
- Producer
- Fannie Hurst
- Book Author
- Julius J. Epstein
- Screenwriter
- Maurice Hanline
- Screenwriter
- Philip G. Epstein
- Screenwriter
- Sol Polito
- Cinematographer
- Leo F. Forbstein
- Musical Direction/Supervision
- Max Rabinowitz
- Composer (Music Score)
- Max Steiner
- Composer (Music Score)
- Ralph Dawson
- Editor
- John Hughes
- Art Director
- Henry Blanke
- Associate Producer
- Howard Shoup
- Costume Designer
- Oliver S. Garretson
- Sound/Sound Designer
- Sherry Shourds
- First Assistant Director
- Perc Westmore
- Makeup
