I Know This Much Is True › Episodes › Cast
Mark Ruffalo
Dominick Birdsey/Thomas Birdsey
Melissa Leo
Ma
Rosie O'Donnell
Lisa Sheffer
Archie Panjabi
Dr. Patel
Imogen Poots
Joy Hanks
John Procaccino
Ray Birdsey
Rob Huebel
Leo
Philip Ettinger
Young Adult Dominick Birdsey/Thomas Birdsey
Aisling Franciosi
Young Dessa Constantine
Harris Yulin
Father Lavie
Michael Greyeyes
Ralph Drinkwater
Gabe Fazio
Shawn Tudesco
Guillermo Díaz (actor)
Sergeant Mercado
Marcello Fonte
Domenico Onofrio Tempesta