Curly (as Curly)
Larry (as Larry)
Moe (as Moe)
Larry's Wife (scenes deleted)
Man in Overturned Truck (uncredited)
Man in Wheelchair (uncredited)
Patient in Operating Room (uncredited)
Lady By Car (uncredited)
Patient at Bottom of Pile (uncredited)
Driver Who Gives Curly a Ride (uncredited)
Dr. Harry Arms (uncredited)
Orderly in Corridor (uncredited)
Moe's Wife (uncredited)
Onlooker by Drugstore (uncredited)
Dandruff Patient (uncredited)
Onlooker with Glasses and Moustache (at 17:04 - etc) (uncredited)
Surgeon (uncredited)
Policeman (uncredited)
Orderly on Right in Hallway (uncredited)
Curly's Wife (uncredited)
Shoeshine Victim (uncredited)
Dr. Arms Older Assistant (uncredited)
Desk Nurse (uncredited)
Doctor Bright (uncredited)
Doctor Bright's Secretary (uncredited)
Nurse in Corridor (uncredited)
Sleeping Patient (uncredited)
Man on Street (uncredited)
Dr. Bright (uncredited)
Larry's Wife (uncredited)
Dr. Arm's Assistant (uncredited)
Second Surgeon (uncredited)
Patient Nurse (uncredited)
Traffic Cop run over by Stooges (uncredited)