Shailene Woodley as Kat Connor

Eva Green as Eve Connor

Christopher Meloni as Brock Connor

Shiloh Fernandez as Phil

Angela Bassett as Dr. Thaler

Gabourey Sidibe as Beth

Ava Acres as Kat (Age 8)

Thomas Jane as Detective Scieziesciez

Mark Indelicato as Mickey

Dale Dickey as Mrs. Hillman

Sheryl Lee as May

Michael Patrick McGill as Aaron

Jill Johnson as Secretary

Jacob Artist as Oliver

Brenda Koo as Cindy

Alix Madigan as Lie Detector Results Officer on Answering Machine (voice)