Special Guest Stars Victor Garber as Admiral Tom Halsey Ted Danson as Admiral Perry Bruce Boxleitner as President Alcuzan Guest Stars BJ Tanner as Marcus Finn Kai Wener as Ty Finn Imani Pullum as Topa Kelly Hu as Admiral Ozawa Michaela McManus as Teleya Graham Hamilton as Kaylon Primary Andy Milder as Ensign Bolobar Lisa Banes as Senator Speria Balask Robert David Grant as Kaylon Secondary Wren T. Brown as Captain Rechik Nick Chinlund as Captain Dalak 209 Regi Davis as Dr. Kalba Co Starring Sarah Jane MacKay as Nurse Hopkins Michael J. Sielaff as Palovis Jeffrey Muller as Lieutenant Ha'Bahl Jay Whittaker as Kaylon Tertiary Jason Griffith as Krill Soldier Stephen Blackehart as Krill Guard Thomas Steven Varga as Krill Crewman Neiko Neal as Moclan Technician Eddie Blackwell as Union Guard #1 Donovan Patton as Security Officer