Occupants of a London boarding house become suspects as a string of murders are discovered.
Mrs. Stella Rosabelle Armitage
Joseph 'Joe' Reynolds
Sylvia Armitage
Hugh Bromilow
Tom Armitage
Inspector
Ram Singh
Constable
Lucy Timson
Phoebe Marcia St. John Snell
Hindu Sailor
Hindu Sailor (Uncredited)
Taxi Driver Helping Ram Singh (Uncredited)
