Amanda Donohoe
— Gayle Richards/Laura Ellington
Natasha Gregson Wagner
— Jenny
Mark Wahlberg
— Ryan Westerberg
Dalton James
— Josh Wyatt
Eugene Robert Glazer
— Ben Wyatt
Patricia Gage
— Principal Beatty
Shelley Owens
— Amy Cooper
Brigitta
— Margo
David Frankham
— Riggs
Christian Svensson
— David Korczuk
Cusse Mankuma
— Bernard
Molly Parker
— Courtney
Lossen Chambers
— Kim
D. Neil Mark
— Rusty
Martin Martinuzzi
— Doug Richards
Justine Priestley
— Claire Bilino
Fran Gebhard
— Female Teacher
Pat Bermel
— Frank
Gary Jones
— Elliott
Meredith Bain Woodward
— Fran
Sheila Paterson
— Mrs. Fisher
Deryl Hayes
— Medical Technician
Andrew Wheeler
— Doctor
Bobby Stewart
— Policeman
Douglas Newell
— Principal
Glen Mauro
— Twin #1
Gary Mauro
— Twin #2
Andrew Marley-Clarke
— Student
Martin Cummins
— Student (uncredited)