Before succumbing to his wounds, Noel strangles Rogell. Cast J. Carrol Naish as Noel Shepperd Strudwick as Dr. Larry Forbes (as John Strudwick) Lynne Roberts as Madeline Renault George Zucco as Dr. Robert Renault Setting The viewer is told that the story takes place in France in a remote village outside of Paris. To back this up we are told about the French holiday of Bastille Day. However no one in the film speaks with a French accent or uses any known French customs. Relation to other films This B-film has been compared to H. G. Wells' The Island of Doctor Moreau though the similarities seem minor. The film has also been part of a double-bill with another 1942 horror film The Undying Monster. The screenplay was inspired by the lost 1927 film, The Wizard, based on a novel by Gaston Leroux. Notes References External links Everything2.com review. Dr. Renault's Secret (1942), New York Times. 1942 films 1942 horror films American science fiction horror films American black-and-white films Films based on French novels Films based on works by Gaston Leroux Films directed by Harry Lachman Films scored by David Raksin Films scored by Emil Newman 20th Century Fox films 1940s science fiction horror films American monster movies Mad scientist films 1940s English-language films 1940s American films