High-schooler Grover Beindorf and his younger sister Stacy decide that their parents, Janet and Ned, are acting childishly when they decide to divorce after 18 years of marriage, so they lock them up in the basement until they'll sort out their problems.
Jamie Lee Curtis
as Janet Beindorf
Kevin Pollak
as Ned Beindorf
Kyle Howard
as Gregory Alan 'Grover' Beindorf
Jennifer Love Hewitt
as Brooke Figler
Jennifer Tilly
as Cindy Figler
Christopher McDonald
as Donald Krupp
Wallace Shawn
as Victor Finley
Ray Walston
as Chief Rocco
Herbert Russell
as T.J. Krupp
Colleen Camp
as Mrs. Burtis
Caroline Aaron
as Louise Finley
Sheila McCarthy
as Gwenna Krupp
