David Millbern

as Jeff

as Dr. Payne

as Brad

as Marshall

as Pando

as Prof. Marks

as Todd

as Rick McGraw

as Felix Becker

as Armstrong

as Peter

as Original Owner (Young)

as Ted Jacobson

as Erik

as Tony Grant

as Lieutenant LeBeau

as John Nevison

as Medic #1

as Agent Wilcox

as Chet