Gillian Anderson as Marika Whyte

Haley Joel Osment as Erol Whyte

Rufus Sewell as Gabriel 'Gabe' Whyte

Victor Garber as Sal

Susanna Fournier as Grace

Kiara Glasco as Young Gracie

John Paul Ruttan as Young Erol

Sherry Miller as Mrs. Moore

Brandon Firla as Jimmy / Johnny

Sarah Manninen as Avril

Catherine Bruhier as Holland

Laura Miyata as Aya

Jonah Wineberg as Jeremy

Chris Hatcher as Hatcher

Asim Wali as Asim

Isaak Smith as Student

Thomas Hauff as Professor

Simon Reynolds as Dr. Reynolds

Rupinder Nagra as Real Estate Agent

Louise Nicol as Old Woman in Princeton

Dan Mandic as Gabe Stand-In

Wilma Dyson as Marika Stand-In

Kyle Limkilde as Erol Stand-In

Jeff Christensen as Sal Stand-In

Robbie Campbell as Young Erol Stand-In