"Poirot" The Mysterious Affair at Styles 1990

Synopsis:

Recovering from the horrors of World War I, British Army officer Arthur Hastings hopes to find peace and quiet at a country manor in the English countryside. But when the matriarch dies during the night from strychnine poisoning, Hastings enlists the help of an old friend staying nearby with other war refugees to help solve the murder: former Belgian police detective Hercule Poirot.

Directed by: Ross Devenish
Written by: Clive Exton & Agatha Christie
Release date: 1990-09-16
Runtime: 103 minutes
Tagline: Mystery, Poirot, Agatha Christie
Cast:
David Suchet
David Suchet
Hercule Poirot 
Hugh Fraser
Hugh Fraser
Lieutenant Hastings 
Philip Jackson
Philip Jackson
Chief Inspector Japp 
Beatie Edney
Beatie Edney
Mary Cavendish 
David Rintoul
David Rintoul
John Cavendish 
Gillian Barge
Gillian Barge
Mrs Inglethorp