The Gorilla (1939) THE RITZ BROTHERS

Stars: Ritz Brothers, Bela Lugosi, Lionel Atwill
Director: Allan Dwan
Writers: Ralph Spence (play), Rian James (screenplay)
When a wealthy man (Atwill) is threatened by a killer known as The Gorilla, he hires the Ritz Brothers to investigate. A real escaped gorilla shows up at the mansion just as the investigators arrive.