Mark Ruffalo Limited Series ‘I Know This Much Is True’ Gets HBO Green Light

Read on: Deadline

HBO has greenlighted for production I Know This Much Is True, a 6-episode limited drama series based on Wally Lamb’s bestselling book, from Mark Ruffalo, who stars in a dual role and executive produces, Derek Cianfrance (The Place Beyond the Pines) and FilmNation Entertainment. I Know This Much Is True has been a priority for HBO, which fast-tracked development on the limited series last fall. Written, directed and executive produced by Cianfrance, I Know This Much is True…