Madame et le mort
A person who had usurped the identity of a famous writer of detective stories was killed in the train. Why and by whom?

Clarisse Coquet

Armand Le Noir

Charles de Bruine

Nazarian

Griset

Avril

Mademoiselle Malvina

Léopold

Pincet

Francis
Philosopher

Le Noir's concierge

Commissioner

Traveler

Lost and Found employee

Organizer
Phyllis

Princess

Philosopher

Chabrol, publisher

Henri

Madeleine