Because it was filmed in Britain, Woody Allen had to have a certain percentage of British cast and crew. Apparently he made his quota before casting Kate Winslet. After she backed out to spend more time with her family, Allen cast American Scarlett Johansson.
The haunting recording used several times in the soundtrack, including over the opening and closing credits, is the Enrico Caruso 78 rpm of "Una furtiva lagrima" ("A furtive tear"), from Gaetano Donizetti's opera "L'Elisir d'Amore" ("The Elixir of Love").
In joke: Chris Wilton (Jonathan Rhys Meyers) responds to a generosity by saying, "Thank you. Thank you very much." This exact phrase is often associated with Elvis Presley, whom Meyers played in Elvis (2005).
Many critics and viewers of this movie noted that the plot bore many essential similarities to Theodore Dreiser's 1925 novel An American Tragedy, as well as the 1951 movie version of that novel, A Place in the Sun (starring Montgomery Clift, Shelley Winters, and Elizabeth Taylor. Despite the unmistakable similarity between the plots of An American Tragedy and Match Point, however, there was no acknowledgment of Dreiser in the credits, and Match Point's only Oscar nomination was for Best Original Screenplay (not Adapted). Allen later repeated this tactic for creating a screenplay with his screenplay for Blue Jasmine, which bears unmistakable plot similarities to Tennessee Williams's play A Streetcar Named Desire but which didn't credit Williams. Allen was again nominated for Best Original Screenplay for Blue Jasmine.
The trivia items below may give away important plot points.
The reference to 'Crime and Punishment' is continued, as the escape, after the double-murder is almost a step-by-step recounting of Raskolnikov's escape from his double-murder. The major difference being that the older woman was Raskolnikov's target, and the younger woman was collateral damage. In the movie, it's the other way around, but staged to look the other way.
Chris is shown reading 'Crime and Punishment', by Fyodor Dostoevsky. Later on, when talking to Mrs. Eastby's ghost, he refers to the book, by saying that sometimes it is necessary to sacrifice the innocent in order to succeed.