• 
  Cesar Romero

  Philip 'Phil' O'Dell
• 
  Lois Maxwell

  Margaret 'Peggy' Maybrick
• 
  Katie Johnson

  'Mary Stuart' Old Inmate At Murder Scene
• 
  Geoffrey Keen

  Christopher Hampden
• 
  Campbell Singer

  Inspector Rigby
• 
  Marguerite Brennan

  Desk Clerk at Heather's Apartment
• 
  Robert Adair

  John - the film director
• 
  Robert Dorning

  rol minor

• 
  Reed De Rouen

  Connors, the thug
• 
  Larry Taylor

  rol minor

• 
  Michael Carreras

  casting director
• 
  Walter J. Harvey

  imagine
• 
  James Needs

  montaj
• 
  Anthony Hinds

  producător
• 
  Basil Keys

  second unit director or assist

• 
  Orville H. Hampton

  scriitor