Guest Stars Teryl Rothery as Dr. Janet Fraiser Colin Cunningham as Major Paul Davis Tom McBeath as Col. Harry Maybourne Co Starring Dan Shea as Sgt. Sylvester Siler Tracy Westerholm as SSgt. Westerholm Colin Lawrence as Major Carl Warren Biski Gugushe as SF Guard Dion Johnstone as Alien # 2 Alex Zahara as Alien #1 Richard Leacock as Col. Brogen Uncredited Peter Kufluk as MSgt. Connor T.M. Sandulak as Sgt. Ziplinski Jason Calder as SF Guard
