Billy Bob Thornton is looking back ... has shared new details about working with the "Walk the Line" singer. "I never got over being nervous around Johnny Cash because it was like God walked ...

Around 13 minutes in, Tommy Norris (Billy Bob Thornton) walks outside a Fort Worth hospital to talk to Cami Miller (Demi Moore). Tommy Norris (Billy Bob Thornton) walks outside a Fort Worth ...

Billy Bob Thornton is looking back at his time with a surprising collaborator: Johnny Cash. At one point, Cash recorded a track with the Sling Blade star, who is a musician in his own right.