Mischa Barton, Deborah Kara Unger and Cameron Bright will star in "
Walled In," a psychological thriller to be the first production financed and produced by Leomax Entertainment.
Based on Serge Broselot's bestselling French novel "Les Emmeures," pic casts Barton as a demolition company rep who supervises the razing of a mysterious building and discovers horrifying secrets and past inhabitants entombed within its walls by a vicious murderer.