David and Lisa

Sidney Poitier

Dr. Jack Miller

Lukas Haas

David

Brittany Murphy

Lisa

Debi Mazar

Maggie

Allison Janney

Alix

Kim Murphy

Natalie

Giuseppe Andrews

Joey

Vicellous Shannon

Tyrone

Gene Wolande

Kevin

Kimiko Gelman

Molly

Giselle deCerda

Doris

Samaria Graham

Felicia

Ty Hodges

Raymond

Diva Zappa

Francesca

Phil Hawn

Institute Staff Member (uncredited)

Jim Jenkins

Museum Guard (uncredited)

Josiah Polhemus

Man (uncredited)