Diễn viên
Jack 'Tiny' Lipson
Shoeshine Victim (uncredited)
Bud Jamison
Policeman (uncredited)
William Irving
Surgeon (uncredited)
Sam Lufkin
Dr. Arms Older Assistant (uncredited)
Frank Mills
Sleeping Patient (uncredited)
Curly Howard
Curly
Moe Howard
Moe
Larry Fine
Larry
Bobby Burns
Man in Wheelchair (uncredited)
Vernon Dent
Dr. Harry Arms (uncredited)
Charles Dorety
Orderly in Corridor (uncredited)