L'Idiot

Gérard Philipe

Prince Miouchkine

Edwige Feuillère

Nastasia Philipovna

Lucien Coëdel

Rogogine

Sylvie

Madame Ivolvine

Jean Debucourt

Totsky

Nathalie Nattier

Aglaé Epantchine

Jane Marken

Naria

Marguerite Moreno

General Elisabeth Prokovievna Epanchine

Maurice Chambreuil

General Epantchine

Michel André

Gania Ivolvine

Elisabeth Hardy

Sophie Ivolvine

Roland Armontel

Luliane Timofeevich Lebediev, the drunkard

Mathilde Casadesus

Adélaïde Epantchine

Janine Viénot

Alexandra Epantchine

Tramel

Ivolvine

Danielle Godet

(uncredited)