I Know This Much Is True

I Know This Much Is True is an American drama television miniseries directed and co-written by Derek Cianfrance, based on the 1998 novel of the same name by Wally Lamb. The series stars Mark Ruffalo in a dual role as twin brothers Dominick and Thomas Birdsey. It premiered on HBO on May 10, 2020, and concluded on June 14, 2020, consisting of six episodes. Ruffalo's performance was widely acclaimed and won him a Primetime Emmy Award, a Golden Globe Award, and a Screen Actors Guild Award.