Humphrey Bogart as Jean Matrac

Claude Rains as Captain Freycinet

Michèle Morgan as Paula Matrac

Philip Dorn as Renault

Sydney Greenstreet as Major Duval

Peter Lorre as Marius

George Tobias as Petit

Helmut Dantine as Garou

John Loder as Manning

Victor Francen as Captain Patain Malo

Vladimir Sokoloff as Grandpere

Eduardo Ciannelli as Chief Engineer

Corinna Mura as Singer

Peter Miles as Jean Matrac Jr.

Hans Conried as Jourdain

Mark Stevens as Hastings

Marcelle Corday as Grocer's Wife (uncredited)

Jean Del Val as

Fred Essler as

Charles La Torre as

Konstantin Shayne as

Hans Heinrich von Twardowski as