Twenty years after three murders take place in a castle's mysterious 'blue room', three men—each vying for the affection of a beautiful young woman—agree to spend a night in the room to prove their bravery to her. Cast: - Lionel Atwill as Robert von Helldorf - Gloria Stuart as Irene von Helldorf - Paul Lukas as Captain Walter Brink - Edward Arnold as Commissioner Forster - Onslow Stevens as Frank Faber - William Janney as Thomas Brandt - Robert Barrat as Paul - Muriel Kirkland as Betty - Russell Hopton as Max - Elizabeth Patterson as Mary - Anders Van Haden as The Stranger - James Durkin as Kruger Runtime: 66 minutes