Michèle Mercier

as Nathalie Neuville, Medical student

Robert Hossein

as Pierre Montaud, the Advocate

Bernard Tiphaine

as Vaden

Pascale de Boysson

as Suzanne

Jacques Castelot

as The prosecutor

Jean-Pierre Darras

as The commissioner

Raymond Gérôme

as Judge

Fernand Guiot

as Reporter

Pierre-Louis

as Radio reporter

Jean Michaud

as Montaud's lawyer

Malka Ribowska

as Hélène Montaud

Jean-Claude Rolland

as Olivier Lacat

Claude Laugier

Pierre Leproux

as Investigating judge

Jean Sagols

Yvon Jeanclaude

André Luguet

as Lawyer

Jean Marchat

as Prosecutor (uncredited)

Léonce Corne

as Clerk (uncredited)