After Stanley Putterman installs a state-of-the-art satellite dish in his backyard, a strange monster leaps off the screen and needs to feed on humans for survival. The Putterman children Sherman and Suzy—along with Suzy's metalhead boyfriend O.D.—are left to figure out what to do.

Diane Franklin
as Suzy Putterman

Gerrit Graham
as Stanley Putterman

Mary Woronov
as Raquel Putterman

Chad Allen
as Sherman Putterman

Jon Gries
as O.D.

Bert Remsen
as Grampa Putterman

Alejandro Rey
as Spiro

Randi Brooks
as Cherry

Jennifer Richards
as Medusa

Sonny Carl Davis
as Norton