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Harold Lloyd as Dr. 'Jack' Jackson |
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Mildred Davis as The Sick-Little-Well-Girl |
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John T. Prince as Charles F. Haskell - Her Father |
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Eric Mayne as Dr. Ludwig von Saulsbourg |
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C. Norman Hammond as Jamison - the Lawyer |
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Jackie Condon as Boy's Pal (uncredited) |
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Mickey Daniels as Boy Patient (uncredited) |
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Richard Daniels as Man (uncredited) |
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William Gillespie as Card Player (uncredited) |
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Wally Howe as Asylum Guard (uncredited) |
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James T. Kelley as Card-Playing Father (uncredited) |
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'Auntie' Mackay as Undetermined Secondary Role (uncredited) |
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Florence Mayon as Card Player's Daughter (uncredited) |
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Oscar Morgan as Undetermined Secondary Role (uncredited) |
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Charles Stevenson as Asylum Guard (uncredited) |
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Anna Townsend as Jamison's Mother (uncredited) |
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Dorothy Vernon as Restaurant Hostess (uncredited) |
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Joy Winthrop as Undetermined Secondary Role (uncredited) |
| Art | H.M. Walker | Title Designer |
| Writing | Thomas J. Crizer | Writer |
| Directing | Sam Taylor | Director |
| Writing | Sam Taylor | Story |
| Directing | Fred C. Newmeyer | Director |
| Writing | Hal Roach | Story |
| Camera | Walter Lundin | Director of Photography |
| Production | Hal Roach | Producer |
| Directing | Robert A. Golden | Assistant Director |
| Editing | Thomas J. Crizer | Editor |
| Writing | Jean C. Havez | Story |
