By Mandi Bierly
Updated May 12, 2009 at 03:00 PM EDT

Simon Baker, star of TV’s No. 1 new show, CBS’ The Mentalist, will use his summer hiatus to shoot the movie adaptation of the Jim Thompson noir novel The Killer Inside Me. According to The Hollywood Reporter, he’ll play the county lawyer who wants to expose a West Texas sheriff (Casey Affleck) as a murderer. Jessica Alba costars as a prostitute, while Kate Hudson plays the sheriff’s teacher girlfriend. Cameras begin rolling this week in New Mexico and Oklahoma. Michael Winterbottom (A Mighty Heart) directs.