Hopalong Cassidy (William Boyd) must determine the identity of the man responsible for rustling his livestock.
Mystery Man is an Western movie that was released in 1944 and has a run time of 57 min.
It has received poor reviews from critics and viewers, who have given it an IMDb score of 6.8.
Where do I stream Mystery Man online? Mystery Man is available to watch and stream, download on demand at Amazon Prime, Hulu, Apple TV+, Starz online. Some platforms allow you to rent Mystery Man for a limited time or purchase the movie and download it to your device.