Gabriel Byrne (Emmy nominee and Golden Globe winner for Best Performance by an Actor in a Television Series – Drama) returns as Dr. Paul Weston, joined by new cast members Dane DeHaan (Obie winner for "The Aliens"), Irrfan Khan ("Slumdog Millionaire"), Amy Ryan (HBO’s "The Wire"; Oscar nominee for "Gone Baby Gone") and Debra Winger (Oscar nominee for "An Officer and a Gentleman," "Shadowlands" and "Terms of Endearment").