François Truffaut
as Claude Lacombe
Teri Garr
as Ronnie Neary
Melinda Dillon
as Jillian Guiler
J. Patrick McNamara
Cary Guffey
as Barry Guiler
Philip Dodds
as Jean Claude
Shawn Bishop
as Brad Neary
Adrienne Campbell
as Sylvia Neary
Justin Dreyfuss
as Toby Neary