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
