Marius Goring
— Colonel Günther von Hohensee
Maria Schell
— Nicole de Malvines
Lucie Mannheim
— Lotte Schönberg
Gabrielle Dorziat
— Madame de Malvines
Barbara Mullen
— Anna
John Bailey
— Philipe de Malvines
David Hurst
— Blumel
Stanley Van Beers
— Professor Perronet
Oscar Quitak
— Gerard
Andrée Melly
— Paulette
Jeremy Geidt
— Gilles
Alison Peline
— Vivianne
Olga Lowe
— Florine
Harold Lang
— Lt. Seger
Wolf Frees
— German Doctor