Miss Alice Postic, switchboard operator

Inspector Henri Grandin

Virginie Renoir, typist of the study

Suzanne Brissard, notary's secretary

Mr. Laroche (a corpse client) / Mr. Logan, 1st clerk

Mrs. Tachard, dissatisfied customer

Robert de Charancé, second clerk of the study

Maître Rocher, notary

Mrs. Clara Rocher, wife of the notary

Maximin, police officer