Mary McCormack has joined an already strong cast for 1408, Mikael Håfström's adaptation of the Stephen King short story. John Cusack and Samuel L Jackson are already signed up.

Variety through Coming Soon carries the news of the latest addition. McCormack has appeared in two of the most popular television series in recent years, The West Wing and ER. 1408 follows a supernatural writer, played by Cusak, who checks into the notorious room 1408 at the Dolphin Hotel. He does so hoping to prove that mysterious goings on there are just a coincidence, but gets more that he bargained for.