The Penguin Pool Murder

New York schoolmarm Hildegarde Withers assists a detective when a body of unscrupulous stockbroker Gerald Parker suddenly appears in the penguin tank at the aquarium.

• 
  Edna May Oliver

  Hildegarde Withers
• 
  James Gleason

  Police Insp. Oscar Piper
• 
  Robert Armstrong

  Barry Costello
• 
  Mae Clarke

  Gwen Parker
• 
  Donald Cook

  Philip Seymour
• 
  Edgar Kennedy

  Officer Donovan
• 
  Clarence Wilson

  Bertrand B. Hemingway
• 
  James Donlan

  Security Guard Fink
• 
  Gustav von Seyffertitz

  Von Donnen
• 
  Guy Usher

  Parker