HBO has given a production commitment to the six-episode drama, which stars and is executive produced by Mark Ruffalo. The family drama follows the parallel lives of identical twin brothers in a story of betrayal, sacrifice, and forgiveness, taking place against the backdrop of 20th century America. It is based on the book of the same name by Wally Lamb, who is also serving as an executive producer on the project.
Ruffalo stars as twin brothers Dominick and Thomas Birdsey, with Leo playing Ma (Concettina Ipolita Tempesta Birdsey), Dominick and Thomas’ mother. O’Donnell stars as Lisa Sheffer, a social worker at the Hatch Forensic Institute, where Thomas is staying. Additionally, Panjabi portrays Dr. Patel, Thomas’ newly appointed psychologist; Poots is Joy Hanks,