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