Detective Nayland Smith, comissioned by the British Government to investigate a series of murders comes up against the "Coughing Horror", Dr Fu-Manchu's servant.
H. Agar Lyons
as Dr. Fu Manchu
Fred Paul
as Nayland Smith
Dorinea Shirley
as Karamaneh
Humberston Wright
as Dr. Petrie
Fred Morgan
as Antonio Strozza
Johnny Butt
as Farmer
Harry Rignold
as Coughing Horror
