• 
  Hugo Fregonese

  regizor

• 
  Jack Palance

  Slade
• 
  Ben Wright

  Detective in Theatre Box
• 
  Rhys Williams

  William Harley
• 
  Colin Kenny

  Theatre Patron
• 
  Lilian Bond

  Annie Rowley
• 
  Frances Bavier

  Helen Harley
• 
  Lester Matthews

  Chief Insp. Melville

• 
  Isabel Jewell

  Katy
• 
  Constance Smith

  Lily Bonner
• 
  James Conaty

  Theatre Patron
• 
  Stuart Holmes

  Theatre Patron
• 
  Leslie Bradley

  Constable #2
• 
  Harry Cording

  Detective Sgt. Bates

• 
  Leland Fuller

  art director

• 
  Lyle Wheeler

  art director
• 
  Lyle R. Wheeler

  art director
• 
  Leo Tover

  imagine
• 
  Hugo Friedhofer

  departament sunet
• 
  Travilla

  costume
• 
  Charles Le Maire

  costume and wardrobe departmen
• 
  Marjorie Fowler

  montaj
• 
  Lionel Newman

  music department
• 
  Eli Benneche

  set decorator
• 
  Lionel Newman

  Soundtrack
• 
  Eliot Daniel

  Soundtrack