- Wally Howe - Asylum Guard (uncredited)
- James T. Kelley - Card-Playing Father (uncredited)
- 'Auntie' Mackay - Undetermined Secondary Role (uncredited)
- Florence Mayon - Card Player's Daughter (uncredited)
- Oscar Morgan - Undetermined Secondary Role (uncredited)
- Charles Stevenson - Asylum Guard (uncredited)
- Anna Townsend - Jamison's Mother (uncredited)
- Dorothy Vernon - Restaurant Hostess (uncredited)
- Joy Winthrop - Undetermined Secondary Role (uncredited)
- Fred C. Newmeyer
- Robert A. Golden
- Jean C. Havez
- Hal Roach
- Thomas J. Crizer
- Hal Roach
Harold Lloyd interpreta a Dr. 'Jack' Jackson en la película.
Mildred Davis interpreta a The Sick-Little-Well-Girl en la película.
John T. Prince interpreta a Charles F. Haskell - Her Father en la película.
Eric Mayne hace el papel de Dr. Ludwig von Saulsbourg.
C. Norman Hammond hace el papel de Jamison - the Lawyer.
Jackie Condon interpreta a Boy's Pal (uncredited) en la película.
Mickey Daniels interpreta a Boy Patient (uncredited) en la película.
Richard Daniels hace el papel de Man (uncredited).
William Gillespie interpreta a Card Player (uncredited) en la película.
Wally Howe hace el papel de Asylum Guard (uncredited).
James T. Kelley interpreta a Card-Playing Father (uncredited) en la película.
'Auntie' Mackay hace el papel de Undetermined Secondary Role (uncredited).
Florence Mayon hace el papel de Card Player's Daughter (uncredited).
Oscar Morgan hace el papel de Undetermined Secondary Role (uncredited).
Charles Stevenson interpreta a Asylum Guard (uncredited) en la película.
Anna Townsend interpreta a Jamison's Mother (uncredited) en la película.
Dorothy Vernon interpreta a Restaurant Hostess (uncredited) en la película.
Joy Winthrop interpreta a Undetermined Secondary Role (uncredited) en la película.
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