I Know This Much Is True

Based on the bestselling novel, this series follows Dominick Birdsey (Mark Ruffalo) as he struggles to care for his twin brother, Thomas, while discovering the truth about his own family history.

About I Know This Much Is True

Based on the bestselling novel by Wally Lamb and written and directed by Derek Cianfrance (Blue Valentine, A Place Beyond the Pines), Academy Award nominee Mark Ruffalo stars in this six-part limited series in a double role as Dominick Birdsey and his twin brother, Thomas, in a family saga filled with betrayal, sacrifice and forgiveness.

Following Dominick and Thomas at different stages in their lives, we begin in their present with both brothers approaching middle age. Thomas is a paranoid schizophrenic, and it falls to Dominick to take care of him, even as their mother’s health fails and Thomas’ behaviour becomes increasingly erratic and dangerous. The series also stars Academy Award winner Melissa Leo as Dominick and Thomas’ mother, as well as Rosie O’Donnell, Archie Panjabi, Juliette Lewis, Kathryn Hahn and Imogen Poots.

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