• 
  Richard Bird

  regizor

• 
  Wilfrid Lawson

  D-ul Goodman
• 
  Arthur Wontner

  Col. Redmayne
• 
  Linden Travers

  Mary Redmayne
• 
  Henry Oscar

  Joe Connor
• 
  Iris Hoey

  D-na Elvery
• 
  Stanley Lathbury

  Hawkins
• 
  Lesley Wareing

  Veronica Elvery

• 
  John Turnbull

  Suptintendant Hallick
• 
  Richard Murdoch

  Detectivul Lewis
• 
  Edward Lexy

  Inspector Robie
• 
  Irene Handl

  Kitchen Maid
• 
  Kathleen Harrison

  Parlor Maid
• 
  Ben Williams

  Police Photographer
• 
  Bernard Lee

  Ferdy Fane

• 
  Alastair Sim

  'Soapy' Marx

• 
  Walter C. Mycroft

  producător
• 
  William Freshman

  adaptare de
• 
  Walter J. Harvey

  imagine
• 
  Lionel Tomlinson

  montaj
• 
  Marr Mackie

  coloană sonoră
• 
  Edgar Wallace

  după o piesă de