Occupants of a London boarding house become suspects as a string of murders are discovered.
Frieda Inescort
Mrs. Stella Rosabelle Armitage
Paul Cavanagh
Joseph 'Joe' Reynolds
Heather Angel
Sylvia Armitage
Bruce Lester
Hugh Bromilow
Miles Mander
Tom Armitage
Lumsden Hare
Inspector
Turhan Bey
Ram Singh
Charles Irwin
Constable
Phyllis Barry
Lucy Timson
Mary Field
Phoebe Marcia St. John Snell
Paul Renay
Hindu Sailor
Manuel López
Hindu Sailor (Uncredited)
Paul Panzer
Taxi Driver Helping Ram Singh (Uncredited)
