Commissioner Boucheron, district police officer
Inspector Lambert of the Sûreté
Alfredo d'Avila, dancer of these ladies
Gaby Valrose, minister's lover
Mrs. Rameau, wife of an industrialist and mistress of Alfredo
Picking, knife-throwing artist
Mr. Corbeau, kleptomaniac
Madeleine Martin, in love with André
André Laurent, bank cashier, lover of Madeleine
Lydia, singer at “Perroquet”, mistress of the President
Eric, German naturalized French
English, Albert's companion, Eric's mistress
Albert Durant, stockbroker and poker player
Joséphine, chicken trainer, wife of Picking
Concierge of the two buildings
Judge Bernier, President of the Court of Appeal
Robert Bernier, eldest son of the President
Gérard Bernier, youngest son of the President
Owner of the "Perroquet" and the festivities upstairs
Mrs. Bernier, wife of the President
Telegraphist who discovered the corpse
Brigadier
Soldier, confined in the room of a “country”
Marie, Lydia's dresser
