The Strange Case of Doctor Rx

The Strange Case of Doctor Rx is a 1942 black-and-white murder mystery/horror B film by Universal Studios directed by William Nigh and starring Patric Knowles, Lionel Atwill, Anne Gwynne, Ray "Crash" Corrigan and Samuel S. Hinds. Although Clarence Upson Young is credited with the screenplay, the actors mostly ad-libbed their lines. The plot involves the search for a serial killer who is targeting men who have been acquitted of murder. The film received poor reviews upon release.