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