<P> A woman's suitor challenges his two rivals to each spend a night in a room in which several murders occurred years before at 1 a.m. The suitor, Tommy, sleeps there on the first night but disappears at 1 a.m. Then the second man sleeps there on the second night . At 12: 30 a.m, he starts playing the piano, but is shot half an hour later . </P> <P> As these events occur, a police investigation leads to several answers to several mysteries . On the fifth night, the third man sleeps in the Blue Room . However, he places a dummy in an armchair and conceals himself behind a coat . At 1 a.m, a revolver pokes round the door and fires at the dummy . The man and several police officers jump out of their hiding places . After a furious gunfight, the villain is apprehended and it turns out to be none other than Tommy, the first suitor, who had ostensibly disappeared . </P> <Ul> <Li> Lionel Atwill as Robert von Helldorf </Li> <Li> Gloria Stuart as Irene von Helldorf </Li> <Li> Paul Lukas as Captain Walter Brink </Li> <Li> Edward Arnold as Commissioner Forster </Li> <Li> Onslow Stevens as Frank Faber </Li> <Li> William Janney as Tommy Brandt </Li> <Li> Robert Barrat as Paul </Li> <Li> Muriel Kirkland as Betty </Li> <Li> Russell Hopton as Max </Li> <Li> Elizabeth Patterson as Mary </Li> </Ul> <Li> Lionel Atwill as Robert von Helldorf </Li>

Cast of secret of the blue room 1933