À minuit, le 7

Paul Bernard

Désiré Coche

Colette Broïdo

Annie

Raymond Cordy

Robert Tirard

Jeanne Fusier-Gir

Madame Pichecolle, concierge

Léon Bary

Commissioner for Delegations

André Berley

Editor-in-chief

Robert Bossis

Hotelier

Jean Brochard

Inspector Belenfant

Jean Coste

Journalist

Paulette Dartois

Concierge at 22

Annie Farrère

Journalist

Geno-Ferny

Prison guard

Albert Gabard

Racing cyclist

Toto Gassin

Racing cyclist

Jacques Grétillat

Investigating judge

Maurice Lagrenée

Inspector Javel

Raymond Maurel

Lawyer

Ginette Max

Telephone operator

Auguste Mouriès

Marseille journalist

Marthe Mussine

Madame Mérat