Guest Stars Gary Jones as Sgt. Walter Harriman Bill Dow as Dr. Bill Lee Cliff Simon as Ba'al Peter Flemming as Agent Malcolm Barrett Lesley Ewen as Scientist Co Starring Dan Shea as Sgt. Sylvester Siler Paul Christie as Caffey Uncredited Hector Navarro as TSgt. Kraushaar Clayton Watmough as Airman McKay Barry Nerling as Jaffa Guyle Fraizer as SF Guard Andrew Hedge as TSgt. Rosenthal Finn Michael as SF Guard
