Cast
Actor
Character
Robert Carradine
Greg Sanderson
Heather Locklear
Jan Sanderson
Emma Samms
Laura Sanderson
Ned Beatty
George Willoughby
Susannah York
Dr. Sinclair
Melinda Cordell
Mrs. Sanderson
Paul Mantee
Professor McRoe
Michael Brenner
Steven Willoughby
Kandra King
Nurse (uncredited)