Lucien Dalsace

as Le lieutenant Schmitt

as Courguin, second in command

as Paul Brébant

as L'officier de marine Cadières

as Jacques Bellegarde

as Le docteur Libois

as Richard Burdau

as Julien Lafarge

as Jacques Amyl

as Maulincourt

as Le marquis de Saint-Estelle / Robert Estève