Parker Stevenson as Captain Aldrich

Terry Farrell as Major Agatha Doyle

Corey Feldman as Siegal

Rick Springfield as Ryan

Troy Donahue as Flemming

Audie England as Dr Jones

Trevor Goddard as Cutter

Patricia M. Peters as Goodis

Richmond Arquette as Koosman

Elston Ridgle as Poe

Gretchen Palmer as Karlson