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...
Harry Raffold
Ann Learner
Crayton
Colonel Gregory
Mabel Hughes
Inspector Webster
Sam
Bob
Dr. Shipley
John Millner
Inspector Burns
Gunman
Vane
Flesh
Jane
Tonio Perelli
Mrs. Shipley
Chief Inspector
Inspector
Robert
Robert's Maid
Mechanic
Man in Bus
