A love story between two savants with Asperger's syndrome, a kind of autism, whose conditions sabotage their budding relationship.
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
