Josh Charles
— Charlie Dunlap
Anne Heche
— Amy Morgan
John Goodman
— Alan Davenport
Christine Lahti
— Ruby
Christine Ebersole
— Mom Dunlap
Peter Riegert
— Dad Dunlap
Dey Young
— Mrs. Tarnell
Bob Balaban
— Paul Entamen
Wil Wheaton
— Jack
Jesse Stock
— Charlie (age 10)
A.J. Marton
— Charlie (age 4)
Alison Chalmers
— Amy (age 10)
Kevin Scannell
— Dr. Sherman
Brian Davila
— Jack (age 10)
John Orofino
— Eric
Larry Holden
— Amy's Boyfriend
Nick Toth
— Mr. Tarnell
David Rasche
— Amy's Dad
Kathryn Grody
— Amy's Mom
Jamie Marsh
— Nigel
Alfred Dennis
— Ruby's Dad
Peggy Miley
— Ruby's Mom
Thomas Wagner
— Ruby's Brother
Brent Spiner
— Upscale Guy