Renée Saint-Cyr

Patricia

Aimé Clariond

Professor Gallois

Henri Vidal

Alain de Saulieu

Gabrielle Fontan

Madame Durtain

Marie-Thérèse Moissel

Hélène Bellanger

Robert Favart

Philippe, professor's assistant

Gaston Girard

Roger Rudel

Nathalie Nattier

Germaine, nurse

Denise Grey

Madame d'Evremond

Marguerite de Morlaye

(uncredited)

Charlotte Ecard

(uncredited)

Luce Fabiole

War widow (uncredited)

Georges Gosset

(uncredited)

Louis Cuny