Dr. Renault's Secret (1942)
Genres: Horror, Mystery
Cast: J. Carrol Naish, George Zucco, Lynne Roberts
Dr. Renault's Secret is a 1942 American horror mystery film. The story was written by William Bruckner and Robert Metzler. It is loosely based on the 1911 novel Balaoo by Gaston Leroux. The production was directed by Harry Lachman and is a B movie with both mad scientist and monster themes.