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 Alex Zahara as Alien #1 Dion Johnstone as Alien # 2 Richard Leacock as Col. Brogen Uncredited Peter Kufluk as MSgt. Connor T.M. Sandulak as Sgt. Ziplinski Jason Calder as SF Guard
