The Unknown
"The Unknown" was the final entry in Columbia’s I Love A Mystery series. A woman hires two detectives to keep her alive long enough to claim her inheritance.
Karen Morleyas Rachel MartinJim Bannonas Jack PackardJeff Donnellas Nina ArnoldMark Robertsas Reed Cawthorne (as Robert Scott)Robert Wilcoxas Richard ArnoldBarton Yarboroughas Doc LongJames Bellas Edward MartinWilton Graffas Ralph MartinHelen Freemanas Phoebe MartinRobert Kellardas James Wetherford (as Robert Stevens)J. Louis Johnsonas Joshua (uncredited)