A NASA scientist discovers that a group meteorites is heading towards Earth. Along the way, they will collide with the space station Hyperion, whose 12 astronauts are trapped and inside which there is a thermonuclear heart.

Johnny Hotel Albergo
as EMT

Jon Briddell
as Sam Hunter

Traber Burns
as Richard Kraft

Thomas Calabro
as John Brighton

Randy Crowder
as Russ Jackson

Cynthia Gibb
as Jenni Hansen

Brett Chukerman
as Ben Freeman

Chira Cassel
as Dr. Gibbons

William Gregory Lee
as Ken Stone

Tom Maden
as Lucas Hansen