I Love a Mystery is a 1945 American mystery film directed by Henry Levin and starring Jim Bannon, Nina Foch, George Macready, and Barton Yarborough. Based on Carlton E. Morse's popular radio serial of the same name, I Love a Mystery was the first of three Columbia "B" pictures inspired by the radio series and the only one actually based on a script written by Morse for the radio series. The Devil's Mask and The Unknown followed in 1946.