Maura Tierney & Dominic West on Tap for Showtime Pilot The Affair by Sarah Treem

Broadway alums Maura Tierney and Dominic West will play an unhappily married couple in the new Showtime pilot The Affair, according to Deadline.com. Written by playwright Sarah Treem and co-created by Hagai Levi, The Affair will also star Ruth Wilson (Anna Karenina). No additional casting or filming dates have been announced.

The new drama tells the story of Noah (West), a New York schoolteacher and a father of four who is devoted to his wife (Tierney) and family. But when he meets a woman (Wilson) that he thinks is his soul mate, his life is turned upside down. The Affair details the range of emotions Noah’s wife experiences during his infidelity.

Tierney made her Broadway debut in Lucky Guy opposite Tom Hanks. Her off-Broadway credits include Three Changes, An Oak Tree and Some Girl(s). Her many film and TV appearances include The Good Wife, ER, Liar Liar, NewsRadio, Semi-Pro and Ruth & Erica. West appeared on Broadway in Design for Living and in Rock ‘n’ Roll in the West End. His film and TV credits include 300, The Wire, John Carter, The Hour and the 2002 film adaptation of Chicago.

Treem’s play A Feminine Ending ran at off-Broadway’s Playwrights Horizons in 2007. Her new play When We Were Young and Unafraid will begin performances at New York City Center in June 2014, starring Cherry Jones. She has written episodes for TV’s House of Cards, In Treatment and How to Make It In America.