Ashley Judd as Helen

Goran Višnjić as David

Lauren Lee Smith as Mathilda

Alexia Fast as Julie

Alberta Watson as Dr. Sherman

Leah Cairns as Susanna

David Hewlett as Frank

David Nykl as John

Chelah Horsdal as Kara

Ali Liebert as Donna

Conrad Coates as Stephen

Alex Stevens as Woman

Rob Heschl as Maire'd

Robin Nielsen as Stranger

Adrian Hough as ER Doctor

Julia Keilty as Psych Nurse #1

Mylène Dinh-Robic as Psych Nurse #2

Sunita Prasad as Psych Nurse #3

BJ Harrison as Head Nurse

Hyuma Frankowski as Male Student

David Quinlan as Dan

Veena Sood as Defense Attorney

John Shaw as Prosecutor

Malcolm Stewart as Judge Wilkens

Ken Kramer as Dr. Donahue

Chaz Chamberlain as Man on Pier

Carlo Fanella as Police Officer

Terence Lewis as Father

Rhonda Onstad as Mother

Leigh Bourque as Daughter (as Leah Bourke)

Daisy Lippa as Young Julie

David James Lewis as Dr. Barnes (as David Lewis)

Terry Lewis as Father

Grace Bauer as Store Employee (uncredited)

Vanessa Burns as Mother (uncredited)

Jonathan Holmes as Thief (uncredited)

Ian Thompson as Bus Driver (uncredited)