The stooges are private detectives hired to find a missing girl. The boys disguise as pie salesmen and end up wandering around a mad scientist's mansion, trying to find the girl. The boys confront a gorilla and various other bad guys, before rescuing the girl.
Shemp Howard
Shemp
Larry Fine
Larry
Moe Howard
Moe
Norma Randall
Mary Bopper
Philip Van Zandt
Dr. Jeckyl
Tom Kennedy
Mr. Hyde
Steve Calvert
Gorilla (uncredited)
Frank Mitchell
George B. Bopper (uncredited)
