Georges Géret as Roger Laroque

Jean Carmet as Tristot

Jean-Pierre Marielle as Lucien de Noirville

Jacques Monod as le président des assises

Dominique Zardi as un forçat

Irene Papas as Julia de Noirville

Anne Vernon as Henriette Laroque

Jean Topart as Luversant

Marie-France Boyer as Suzanne Laroque

Sabine Sun as Victoire

Gabriele Tinti as Raymond de Noirville

Germaine Delbat as La mère Brun - la servante de Larouette

Paul Sorèze as

Guy Saint-Jean as Jean

Roger Fradet as Le domestique de Farney

Guy Marly as L'huissier au cercle

Claude Bahier as Le collaborateur de Noirville

Fernand Bercher as

Henri Attal as Un policier / Un forçat

Pierre Duncan as Le domestique de Luversan

Clément Harari as Larouette

Sabine Haudepin as Suzanne Laroque enfant

Joëlle Latour as L'amie de Luversan

Paul Müller as Le commissaire Lacroix

William Sabatier as L'avocat général

Marcel Cuvelier as Le médecin légiste

Jean Michaud as Le président du tribunal

Jean Danet as Le juge (uncredited)

Arlette Gilbert as La femme de chambre (uncredited)

Henri Guégan as Un forçat (uncredited)

Roland Malet as Le valet au cercle (uncredited)

Pierre Vaudier as Un écclésiastique (uncredited)

Lionel Vitrant as Un forçat (uncredited)

Bernard Lajarrige as Bernadit (uncredited)