Mark Ruffalo Dominick Birdsey, Thomas Birdsey Actor, Executive Producer Melissa Leo Ma Actor Rosie O'Donnell Lisa Sheffer Actor Archie Panjabi Dr. Patel Actor Imogen Poots Joy Hanks Actor John Procaccino Ray Birdsey Actor Rob Huebel Leo Actor Philip Ettinger Young Adult Dominick Birdsey, Thomas Birdsey Actor Aisling Franciosi Young Dessa Constantine Actor Michael Greyeyes Ralph Drinkwater Actor Guillermo Díaz Sergeant Mercado Actor Marcello Fonte Domenico Onofrio Tempesta Actor Bruce Greenwood Dr. Hume Actor Brian Goodman Al Actor Juliette Lewis Nedra Frank Actor Kathryn Hahn Dessa Constantine Actor Derek Cianfrance Director, Writer, Executive Producer Ben Browning Executive Producer Glen Basner Executive Producer Gregg Fienberg Executive Producer Lynette Howell Taylor Executive Producer Wally Lamb Executive Producer Anya Epstein Executive Producer Jamie Patricof Co-Executive Producer