Gilles Kneusé

The director

Acting

Peter Hudson

Dr. Sheppard

Acting

Gilles Gaston-Dreyfus

Hercule Poirot

Acting

Célia Catalifo

Flora Ackroyd

Acting

Vincent Deslandres

Acting

Ghislain de Fonclare

Acting

François Lequesne

Acting

Carole Rochelle

Mrs. Ferrars

Acting

Héloïse Rauth

Caroline Sheppard

Acting

Benjamin Tholozan

Acting

Julien Urrutia

Acting

Pierre Bayard

Self - Professor of literature

Acting

Denis Bertrand

Self - Semiotician

Acting

Neel Burton

Self - Psychiatrist

Acting

Georges Moréas

Self - Former chief of police

Writing

Malcolm Neesam

Self - Historian

Acting

Andrew Norman

Self - Writer

Acting

François Rivière

Self - Writer

Acting

Agatha Christie

Self (archive footage)

Writing

Joanna Grudzinska

Ursula Bourne

Directing

Gérard Dessalles

(voice)

Acting

Enrico Di Giovanni

(voice)

Acting

Jean-Gabriel Nordmann

(voice)

Acting