Guest Stars Ann Dusenberry as Ariela Dyne Jay Robinson as Cassius Thorne Anne Jeffreys as Prime Minister Co Starring Felix Silla as Twiki the Robot Mel Blanc voices Twiki the Robot Teddi Siddall as Linea Antoinette Stella as Jayel Darrell Zwerling as Macon Liberty Godshall as Nyree Wendy Oates as Renna Wally K. Berns as Pilot (Major Norris) James Fraracci as Karsh Uncredited Eric Server voices Dr. Theopolis