A British officer poses as a traitor in order to infiltrate a team of terrorists who are sabotaging ships, while a seductive cabaret dancer is working for the mysterious genius who runs the enemy spy ring.

Viviane Romance
as Mercedes Garcia

Roger Duchesne
as Lt. Robert Jackson

Erich von Stroheim
as Eric Marson

Abel Jacquin
as Lt. Frank Lloyd

Yvette Lebon
as Maud Wilcox

Jean Périer
as Gen. Wilcox

André Roanne
as Le Lt. Français

Philippe Richard
as

Henri Crémieux
as

Jacques Henley
as