The Mysterious Miss X (1939) is a Mystery film that follows after being mistaken for Scotland Yard detectives, two vaudevillians (Michael Whalen, Chick Chandler) try to solve a murder in a Midwestern town. The Mysterious Miss X is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.4 out of 10 from 7 votes. Fans of mystery movies may also want to explore similar titles below.