Michael Shannon and Sam Shepard join <i>Mud</i> Writer-director Jeff Nichols has rounded out the cast of his coming-of-age drama Mud with Michael Shannon, Sam Shepard, Sarah Paulson, Ray McKinnon, Joe Don Baker and Paul Sparks.

Matthew McConaughey, Reese Witherspoon and Tye Sheridan star in the drama, centered on two 14-year-old boys who encounter a mysterious fugitive hiding out on an island in the Mississippi. Intrigued by the man, the boys enter into a pace to help him evade capture and reconnect with the love of his life.

Production began today in Arkansas.