Characters played by John Billingsley
Commissioner Renner
Characters played by Aaron Douglas
Sergeant Major Powell
Characters played by Ron Glass
Colonel Edwards Professor Risseau
Characters played by Richard Gunn
Lieutenant Tracy Commander Robinson
Characters played by Dwight Schultz
H.E.C.T.O.R. Admiral Thorensen Captain Yuri Rudenko
Characters played by Dina Meyer
Dr. Willow Burke Specialist Alma Linh