Drummond goes up against foreign agents who are trying to steal plans for a top-secret aircraft.
John Lodge
Hugh "Bulldog" Drummond
Dorothy Mackaill
Doris Thompson
Victor Jory
Gregoroff
Claud Allister
Algy Longworth
Richard Bird
Caldwell
Hugh Miller
Ivan Kalinsky
Leslie Perrins
Major Grayson
Jim Gérald
Veight
Maire O'Neill
Norah
William Dewhurst
Reginald Portside
Wilfrid Hyde-White
Conrad
Brian Buchel
Meredith
