Isfimovies - The Strange Case of Doctor Rx (1942)Private eye Jerry Church is hired by a criminal defense lawyer after five mobsters he has gotten acquitted are apparently strangled by a serial killer.William NighPatric Knowles, Lionel Atwill, Anne Gwynne, Mantan Moreland, Samuel S. Hinds, Mona Barrie, Shemp Howard, Paul Cavanagh, Edmund MacDonald, John Gallaudet, William Gould, Leyland Hodgson, Matty Fain, Mary Gordon, Selmer Jackson, Jan Wiley