Eddie Constantine
Lemmy Caution
Anna Karina
Natacha von Braun
Akim Tamiroff
Henri Dickson
Howard Vernon
Prof. Leonard Nosferatu, aka von Braun (uncredited)
Christa Lang
2nd Seductress (uncredited)
Valérie Boisgel
1st Seductress Third Class (uncredited)
Jean-Louis Comolli
Prof. Jeckell (uncredited)
Jean-André Fieschi
Prof. Heckell (uncredited)
László Szabó
Chief Engineer (uncredited)
Jean-Pierre Léaud
Breakfast Waiter (uncredited)
Michel Delahaye
Von Braun's Assistant (uncredited)
Ernest Menzer
Red Star Hotel receptionist (uncredited)