Liam Neeson
Dr. David Marrow
Lili Taylor
Nell
Catherine Zeta-Jones
Theo
Owen Wilson
Luke Sanderson
Bruce Dern
Mr. Dudley
Marian Seldes
Mrs. Dudley
Alix Koromzay
Mary Lambetta
Todd Field
Todd Hackett
Virginia Madsen
Jane
Michael Cavanaugh
Dr. Malcolm Keogh
Tom Irwin
Lou
Charles Gunning
Hugh Crain
Saul Priever
Ritchie
M.C. Gainey
Large Man
Hadley Eure
Carolyn Crain
Kadina de Elejalde
Rene Crain
Alessandra Benjamin
Psych Patient #1
Karen S. Gregan
Psych Patient #2
Brandon Jarrett
Psych Patient #3
Mary McNeal
Psych Patient #4
William Minkin
Psych Patient #5
Debi Derryberry
Child (voice)
Jessica Evans
Child (voice)
Sherry Lynn
Child (voice)
Miles Marsico
Child (voice)
Courtland Mead
Child (voice)
Kelsey Mulrooney
Child (voice)
Kyle McDougle
Child (voice)
Hannah Swanson
Child (voice)
Travis Tedford
Child (voice) (uncredited)