Guest Stars Gary Jones as Sgt. Walter Harriman Christopher Heyerdahl as Pallan Tiffany Lyndall-Knight as Evalla Liam Ranger as Nevin Peter LaCroix as Kendrick Co Starring Michael Robinson as Councilman Patrick Keating as Councilman Finn Michael as Councilman Wendy Noel as Councilwoman Uncredited Peter Kufluk as MSgt. Connor Dan Shea as Sgt. Sylvester Siler Martin Wood as Major Wood Bill Nikolai as Technician Vern Alberts Peter DeLuise as SF Guard Debora Bastos as Dome Inhabitant