Shortly after his return from India, a special agent of the British secret service falls victim to an insidious poisoning in London. Scotland Yard gets involved. But too late: valuable information has fallen into the hands of an international criminal gang...
as Harry Raffold
as Ann Learner
as Crayton
as Colonel Gregory
as Mabel Hughes
as Inspector Webster
as Sam
as Bob
as Dr. Shipley
as John Millner
as Inspector Burns
as Gunman
as Vane
as Flesh
as Jane
as Tonio Perelli
as Mrs. Shipley
as Chief Inspector
as Inspector
as Robert
as Robert's Maid
as Mechanic
as Man in Bus