Princess of Cleves

Jean Marais

Prince of Clèves

Marina Vlady

Princess of Clèves

Jean-François Poron

Duke of Nemours

Annie Ducaux

Diane of Poitiers

Lea Padovani

Queen Catherine de Médicis

Raymond Gérôme

The King

Alain Ferral

Dauphin François

Renée-Marie Potet

Dauphine Marie-Stuart

Henri Piégay

Vidame of Chartres

Piéral

Jester

Ivan Dominique

Knight of Guise

Léa Gray

Madame de Mercoeur

Jacques Hilling

Doctor

Hubert de Lapparent

Ambroise Paré

Georges Lycan

Butler

Pierre Moncorbier

Painter

Josée Steiner

Madame de Martigues

Anthony Stuart

English Ambassador

Henri Cote

(uncredited)

Henri Coutet

(uncredited)

Hélène Laffly

(uncredited)

Rico López

Horseman (uncredited)

Louisette Rousseau

(uncredited)

Jean Sylvain

Referee of the palm game (uncredited)