Agatha Christie: Poirot (1989–2013)
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The Mystery of the Blue Train 

Poirot investigates the brutal murder of 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 All (31) »


TV-PG | See all certifications »

Parents Guide:






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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 »


Corky: [upon realizing that Mirselle was the place where the murder had been committed; shocked] Oh God... I goofed.
Hercule Poirot: No, No, M. Corky.
[Poirot gets into the passenger seat of the car]
Hercule Poirot: [as he is getting in] You would have goofed... only if you have committed the murder. And I, Hercule Poirot, is not, at the moment...
[he closes to door]
Hercule Poirot: disposed to believe.
See more »


Nice Work If You Can Get It
Music George Gershwin
Lyrics by Ira Gershwin
[heard at night club]
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User Reviews

Huge disappointment
25 February 2006 | by See all my reviews

I am not a terribly big fan of Agatha Christie, but "Mystery of the Blue Train" is one of her novels that I did in fact like and was therefore thrilled to hear that they've made this TV adaptation as part of the "Poirot" series with David Suchet.

Unfortunately, it was not to be... it started on the wrong foot immediately with the way it was directed--was there no one around to rein the director in? Everything seems shot in darkness, through smoke, half-obscured, half-reflected in mirrors, etc. It's often difficult to even see the faces of actors because of this.

Of course, that would probably be bearable if the screenplay adaptation wasn't so bad. It takes amazing liberties with the novel (some of which have been already mentioned in other comments) that I couldn't believe. The storyline doesn't seem to make any sense any more, and the dynamic between some of the characters has been completely changed.

In conclusion, do not go anywhere near this movie if you've liked the novel at all.

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