AllMovie

The Ape Man is a 1943 American horror film directed by William Beaudine. The film is based on "They Creep in the Dark" by Karl Brown, which was published in The Saturday Evening Post. It stars Bela Lugosi as Dr. James Brewster who is aided by his colleague Dr. Randall. The doctor manages to transform himself into an ape man hybrid and desperately seeks a cure. Brewster believes that only the injection of human spinal fluid will prove effective as a cure. As Randall refuses to help him, Brewster and his captive gorilla seek involuntary donors.