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