Guest Stars Stuart Fell as Alpha Centauri Nick Hobbs as Aggedor Murphy Grumbar as Arcturus David Troughton as Peladon Geoffrey Toone as Hepesh Sonny Caldinez as Ssorg Wendy Danvers as Amazonia Gordon St Clair as Grun George Giles as Guard Captain Alan Bennion as Izlyr Henry Gilbert as Torbis Ysanne Churchman as Voice of Alpha Centauri Terry Bale as Voice of Arcturus
