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.


Hettie Macdonald


Agatha Christie (novel), Guy Andrews (screenplay)




Episode cast overview, first billed only:
David Suchet ... Hercule Poirot
James D'Arcy ... Derek Kettering
Alice Eve ... Lenox
Nicholas Farrell ... Knighton
Bronagh Gallagher ... Ada Mason
Tom Harper ... Corky
Jane How Jane How ... Lady at Ball
Samuel James ... Steward
Helen Lindsay ... Sister Rosalia
Oliver Milburn ... La Roche
Jaime Murray ... Ruth Kettering
Roger Lloyd Pack ... Inspector Caux
Etela Pardo Etela Pardo ... Dolores
Georgina Rylance ... Katherine
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


TV-PG | See all certifications »

Parents Guide:

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Italian | English | French

Release Date:

11 December 2005 (USA) See more »

Filming Locations:

France See more »

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 »


Poirot says at 28 min 27 sec that he doesn't like odd numbers, only even numbers yet at 34 min 12 sec into film, he puts caviar on his 9 crackers, an odd number. See more »


Lady Tamplin: Now, Katherine, monsieur, there are only two rules at the Villa Marguerite. You shall be comfortable and you shall not be hungry.
See more »


Referenced in Agatha Christie: Murder on the Orient Express (2006) See more »


Sing Sing Sing (With a Swing)
Written by Louis Prima (uncredited)
Performed by Benny Goodman
[First song, party in Nice]
See more »

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User Reviews

Thick, extremely enjoyable mystery
23 April 2008 | by gridoon2020See all my reviews

In the brief making-of feature included with the DVD of this episode, the screenwriter points out that Agatha Christie considered this one of her weakest novels, and that they had taken quite a few liberties in its adaptation. Purists will probably be angry at this, but it's my guess (never having read the book, mind you) that most of the changes must have been improvements. Because the final story presented on the screen is far from Christie's worst - in fact, it is closer to her best.

Although I liked "Sad Cypress" and "The Hollow" very much, it was mostly due to the direction and performances - the mysteries, though undeniably very clever (especially in their killing methods), felt somewhat thin. The "Mystery of the Blue Train" is the exact opposite of thin: it presents a complex web of interconnected plots and subplots, and a wide variety of characters / suspects, all of them colorfully brought to life by a first-rate cast (truly, there is not one weak performance in this film). You're not even sure who is going to get bumped off until he / she does! David Suchet gets the chance to do one of his showiest "Poirot gathering all the suspects, accusing everyone and taking his sweet time before revealing the truth" sequences at the end, and he's clearly enjoying himself after the low-key performance he has given up to that point in the film. There are also some "modern" elements introduced - more cursing than before, and even some (practically unnoticeable) CGI - but somehow everything works like a charm.

Poirot - 10th season and still going strong! (***)

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