The scene of action embraces Tangier, Toulon and the Mediterranean, where Pierre Fresnay, Rolf Wanka and Kim Peacock, cast as captains of French, German and English boats, respectively, unite to rescue the passengers of a neutral boat that is about to be engulfed in a cloud of poison smoke released by a smuggling ship.
as Commander Lestailleur
as von Schlieden
as Commander Falcon
as Claire Lestailleur
as Martin
as Sailor Jaubert
as Doctor Laurent
as Journalist
as Captain Dulac
as Huguenin, second master
as Sailor Calas
as Little Pierre
as Commander of the liner
as Henchman
as Port doctor
as Officer of the Spahis
as Admiral
as Second of the torpedo boat
as Investigating judge
as Second mate of the liner
as English sailor
as Father Blanc
