Question: cast of secret of the blue room 1933
Answer: 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 Tommy Brandt Robert Barrat as Paul Muriel Kirkland as Betty Russell Hopton as Max Elizabeth Patterson as Mary