Guest Stars Devon Ericson as Asteria Eleefa William Kirby Cullen as Demeter Denny Miller as Saurus Co Starring Felix Silla as Twiki the Robot Dennis Haysbert as Ensign Jackie Russell as Kally Walker Edmiston as Koldar Brady Rubin as Syla Michele Marsh as Cleis Stuart Nisbet as Rand Eldon Quick as Chronos Keith Atkinson as Joham Lachelle Chamberlain as Darel Uncredited Mel Blanc voices Twiki the Robot Jeff David voices Crichton