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Casting Call: Strangers on a Train

Oozing intelligence, Anne Morton is the new object of Guy's affection, and is aware of his tumultuous relationship with his wife. The go-getting daughter of a senator, she exudes a natural elegance and is supportive of Guy's transition to a potential new career in politics. We can see Alison Brie's prim glamour complimenting the role nicely.

Ben Affleck's modern casting of Guy Haines, now a movie star instead of a tennis player, is a good one. If the character traits are the same as the original film, Guy will be seeking a divorce from his adulterous wife, and then developing major doubts about upholding his end of the murderous bargain.

Bruno Anthony is a psychopath, albeit a pleasant one, who broaches the idea about the double murders. He successfully strangles Guy's wife, Miriam, and because of that punitively reminds him of his own duty to kill. Cillian Murphy's natural mix of allure and ruthlessness would prove perfect for the role. 

The father of Anne, Senator Morton is the one who informs Guy about the murder of his wife. The tension-filled party he throws halfway through the film brings together all of the characters, which culminates with Bruno nearly strangling a woman to death. Michael Douglas has great experience portraying politicians (The American President), so why not capitalize on what he does so well?

Barbara Morton, the young sister of Anne, is a doppelgänger of Miriam who catches the eye of Bruno at Senator Morton's party. In fact, it's her clear resemblance to Miriam that triggers Bruno to start strangling an innocent woman out of anxiety. We can see Isabelle Fuhrman taking on the role do to her close resemblance to Lizzy Caplan.

The undoting wife of Guy, Miriam Haines becomes pregnant by another man yet refuses to get a divorce. She meets her death at the hands of Bruno at an amusement park. With cat-eye-inspired spectacles in tow, Lizzy Caplan would add quirk to the character.