As a lone spaceship proceeds on its long voyage across space, the crew are surprised to encounter a strange pyramid form. Surprise turns to horror as one by one, they discover that their darkest nightmares are all starting to become real. The pyramid has to be behind it all somehow, but how can they save themselves from its influence?
Edward Albert
as Cabren
Erin Moran
as Alumna
Ray Walston
as Kore
Bernard Behrens
as Commander Ilvar
Zalman King
as Baelon
Robert Englund
as Ranger
Taaffe O'Connell
as Dameia
Sid Haig
as Quuhod
Grace Zabriskie
as Captain Trantor
Jack Blessing
as Cos
Mary Ellen O'Neill
as Mitri
