Watch Mark Ruffalo in the trailer for Derek Cianfrance’s I Know This Much Is True on HBO

Based on the 1998 bestselling novel by Wally Lamb, adapted and directed by Derek Cianfrance (Blue Valentine, The Place Beyond the Pines, The Light Between Oceans), this limited series follows the parallel lives of identical twin brothers, played by Mark Ruffalo. A family saga, it tells a story of betrayal, sacrifice, and forgiveness set against the backdrop of 20th-century America.

I Know This Much Is True stars Mark Ruffalo, Melissa Leo, Rosie O’Donnell, Archie Panjabi, Imogen Poots, Juliette Lewis, and Kathryn Hahn.

The series hits HBO on 27th April 2020.