À minuit, le 7

Paul Bernard

Désiré Coche

Raymond Cordy

Robert Tirard

Jeanne Fusier-Gir

Madame Pichecolle, concierge

Léon Bary

Commissioner for Delegations

André Berley

Editor-in-chief

Jean Brochard

Inspector Belenfant

Jacques Grétillat

Investigating judge

Maurice Lagrenée

Inspector Javel

Marthe Mussine

Madame Mérat

Pierre Nay

Journalist

Robert Ozanne

Journalist

Georges Paulais

General Counsel

Henri Richard

President of the court

Gabrielle Rosny

Cleaning lady

Victor Vina

Hotel manager

Colette Broïdo

Annie

Robert Bossis

Hotelier

Jean Coste

Journalist

Paulette Dartois

Concierge at 22

Annie Farrère

Journalist

Geno-Ferny

Prison guard

Albert Gabard

Racing cyclist

Toto Gassin

Racing cyclist

Raymond Maurel

Lawyer