The Strange Case of Doctor Rx

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 Nigh

• 
  Patric Knowles
  Private Detective Jerry Church
• 
  Lionel Atwill
  Dr. Fish
• 
  Anne Gwynne
  Kit Logan Church
• 
  Mantan Moreland
  Horatio B.Fitz Washington
• 
  Samuel S. Hinds
  Dudley Crispin
• 
  Mona Barrie
  Eileen Crispin
• 
  Shemp Howard
  Det. Sgt. Sweeney
• 
  Paul Cavanagh
  John Crispin
• 
  Edmund MacDonald
  Det. Capt. Bill Hurd
• 
  John Gallaudet
  Ernie Paul
• 
  William Gould
  Dist. Atty. Mason
• 
  Leyland Hodgson
  Thomas, the butler
• 
  Matty Fain
  Tony Zarini
• 
  Mary Gordon
  Mrs. Scott
• 
  Selmer Jackson
  Judge
• 
  Jan Wiley
  Lily