I Know This Much Is True

HBO Series Begins Sunday May 10, 9PM est

Based on the bestselling novel by Wally Lamb, written and directed by Derek Cianfrance, and starring Mark Ruffalo, this limited series follows Dominick Birdsey as he struggles to care for his twin brother, Thomas, while discovering the truth about his own family history. Begins Sunday May 10, 9pm.

Vito Petroccitto Jr makes his HBO debut! Appearing in a scene with Ruffalo. Vito stated “Such an incredible experience working with such an amazing group of super talented people, Mark, and Derek and the whole crew, just magical.”