A British man is hunted by British and German spies when he tries to sell blueprints.
Bruce Cabot
Carl Beyersdorf / Ted Healey
Marta Labarr
Freyda Healey
Tamara Desni
Marie Dufreyne
Romilly Lunge
Beverley Blake
Edward Lexy
Det. Insp. William Barnard
Cyril Smith
Det. Sgt. Trotter
Percy Walsh
Otto Lemnel
Eve Lynd
Florrie McGowan
