I Know This Much Is True 


Writer/Director: Derek Cianfrance
Cast: Mark Ruffalo
Executive Producers: Derek Cianfrance, Mark Ruffalo, Wally Lamb, Ben Browning, Glen Basner (FilmNation Entertainment)
Based on the novel by Wally Lamb

I KNOW THIS MUCH IS TRUE is an epic family saga that explores the American identity following the parallel lives of twin brothers Dominick and Thomas Birdsey throughout the latter half of the 20th century.