Josh Hartnett as Donald Morton

Radha Mitchell as Isabelle Sorenson

Gary Cole as Wallace

Sheila Kelley as Janice

Erica Leerhsen as Bronwin

John Carroll Lynch as Gregory

Nate Mooney as Roger

Rusty Schwimmer as Gracie

Robert Wisdom as Blume

Allen Evangelista as Skeets

Christa Campbell as Therapist

Kristopher Higgins as Brain - Donald's Brother

Kelly B. Eviston as Dr. Trask

Jhon Goodwin as Rodney

Jeffrey Brandle as Ten-year-old Kid

Hollis Higgins as Homeless Man

Bil Childress as Handsome Stranger

Christopher Gabble as Fifteen year old Donald

Shelli Lether as Donald's Mom

Mercedee Smith as Young Isabella

Sharif Shawkat as Young Donald

Patrick McHenry-Kroetch as Mac

Norm McBride as Boss

Jerry Sciarrio as Flower Truck Driver

Suzanne Niles as Hostess

Herb Tsuchiya as Taxi Passenger #1

Mune Nakano as Taxi Passenger #2

J.P. O'Shaughnessy as Old Guy

Wonder Russell as School Teacher

Scott Roddan as Self