Curly Howard as Dr. Curly

Larry Fine as Dr. Larry

Moe Howard as Dr. Moe

Isabel La Mal as Mrs. Bedford (uncredited)

Cy Schindell as Dognapper Tony (uncredited)

Lynton Brent as Dognapper Duke (uncredited)

Libby Taylor as The Maid (uncredited)

Beatrice Blinn as Nurse with saint bernard (uncredited)

Robin Raymond as A Nurse (uncredited)

Beatrice Curtis as A Nurse (uncredited)

Ethelreda Leopold as A Nurse (uncredited)

Dorothy Moore as Nurse (uncredited)

Libby Taylor as Maid (uncredited)