The Return of Doctor X
- Taon: 1939
- Bansa: United States of America
- Genre: Science Fiction, Horror, Mystery
- Studio: First National Pictures, Warner Bros. Pictures
- Keyword: new york city, reporter, series of murders
- Direktor: Vincent Sherman
- Cast: Humphrey Bogart, Rosemary Lane, Wayne Morris, Dennis Morgan, John Litel, Lya Lys