Danielle Savre as Laura Porter

Matt Cohen as Henry Porter

Chrissy Calhoun as Nicky (as Chrissy Griffith)

Michael Graziadei as Darren

Mae Whitman as Alison

Renée O'Connor as Dr. Jessica Ryan (as Reneé O'Connor)

Tobin Bell as Dr. Mitchell Allen

Johnny Simmons as Paul

David Gallagher as Mark

Suzanne Jamieson as Mrs. Porter

Lesli Margherita as Gloria

Tom Lenk as Perry

Sammi Hanratty as Young Laura

Jarrod Bailey as Young Henry

Lucas Fleischer as Mr. Porter

Christopher John Fields as Detective

Claude Shires as Analyst #1

Kelly Walker as Analyst #2