Agatha Christie: Poirot: Season 10, Episode 1

The Mystery of the Blue Train (11 Dec. 2005)
"Agatha Christie's Poirot" The Mystery of the Blue Train (original title)

TV Episode  -   -  Drama | Mystery | Crime
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Ratings: 7.4/10 from 843 users  
Reviews: 23 user | 1 critic

Poirot investigates the brutal hammer murder of Ruth Kettering, an American heiress and the theft of a fabulous ruby on the Blue Train between Calais and Nice.



(novel), (screenplay)
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Episode cast overview, first billed only:
Derek Kettering
Ada Mason
Tom Harper ...
Jane How ...
Lady at Ball
Sister Rosalia
La Roche
Ruth Kettering
Inspector Caux
Etela Pardo ...
Josette Simon ...
Mirelle Milesi


After traveling on the Blue Train from Calais to Nice, Hercule Poirot is pressed into service to help solve the murder of heiress Ruth Kettering who is found savagely beaten in her compartment. She was the daughter of wealthy industrialist Rufus Van Alden and very much wanted a divorce. Both her husband and her lover were on the train but she had changed rooms with another passenger, Katherine Grey, so the question naturally arises as to whether she was the intended victim. Grey may also have had enemies as she had recently inherited a very large sum of money and greedy relatives had suddenly taken a interest in her. When an attempt is subsequently made on Grey's life, this appears to the case but Poirot methodically sifts through all of the clues to determine the motive and identify the killer. Written by garykmcd

Plot Summary | Add Synopsis

Plot Keywords:

train | ruby | heiress | maid | theft | See more »


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Release Date:

11 December 2005 (USA)  »

Filming Locations:


Company Credits

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Technical Specs


| | (11 episodes)


Aspect Ratio:

1.78 : 1
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Did You Know?


Hercule Poirot mentions at the end that he has never traveled on the Orient Express, raising viewer expectations of his most famous case, "Murder on the Orient Express." See more »


Count De La Roche: [after being punched and knocked down] You could have given me a black eye!
Derek Kettering: Match your fingernails and your heart!
See more »


Nice Work If You Can Get It
Music George Gershwin
Lyrics by Ira Gershwin
[heard at night club]
See more »

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User Reviews

Poirot Encounters Murder on a Train
22 May 2011 | by (United States) – See all my reviews

Of course, this isn't the first time Poirot is on a train where someone is murdered. "The Mystery of the Blue Train" is from season 10 and stars David Suchet as Poirot, Elliot Gould, Lindsay Duncan, Bronagh Gallagher, and James D'Arcy.

In this episode, Poirot works to solve the murder of Ruth Kettering, the daughter of a wealthy industrialist. She is beaten literally beyond recognition. Added to this, in order to be closer to her lover, she changed rooms with Katherine Grey, a new heiress whom Poirot has befriended. Ruth owned the brilliant Heart of Fire ruby, which is now missing - but the safe wasn't broken into. When Grey visits her relatives, she is attacked, raising the question - did the killer have the right woman? There's gambling, adultery, broke relatives and resentment as Poirot investigates the suspects further. Lindsay Duncan as Gray's suddenly attentive cousin (she's broke) is fantastic. I had the pleasure of seeing her in person in "Private Lives," and she is a wonderful actress. Suchet as usual is the perfect Poirot. I also had the privilege of seeing him in person in "Amadeus." He truly is a chameleon. Georgina Rylance is also excellent as Katherine Gray, an insecure young woman who's just inherited a fortune and now socializes with a different class of people.

The rest of the acting, frankly, wasn't fabulous - you could spot the fake American accents right away and the characters seemed put on rather than the real thing. It might have been the dialogue, it might have been the directing - I tend to think it was the latter.

I don't remember this book, so I didn't mind whatever changes there were. I enjoyed the story.

2 of 4 people found this review helpful.  Was this review helpful to you?

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