Saoirse Ronan as Leia Dargon

Cynthia Nixon as Marcy Dargon

Jason Isaacs as Ben McKay

David Warshofsky as Glen Dargon

Rosalind Chao as Dr. Andrews

Avery Phillips as Leia Dargon (Age 7)

Hana Hayes as Leia Dargon (Age 12)

Tom Wright as Detective Timms

Jayne Taini as Grocery Store Woman

Juan Fernandez as Reporter

Michelle Alegria as News Anchor

Rob Yang as Mr. Henry

Wiley B. Oscar as Prison Officer

Nelson Mashita as Public Defender

Gordon Greene as Ben’s Neighbor

Jennifer Perito as 911 Operator (voice)