Christine FinnTin-Tin Kyrano (voice) Sylvia AndersonLady Penelope Creighton-Ward / Sceneggiatore Matt ZimmermanAlan Tracy (voice) Vincenzo FiorilloScott Tracy David GrahamGordon Tracy / Brains (voice) David HollidayVirgil Tracy (voice) Paul MaxwellCaptain Paul Travers Alexander DavionSpace Captain Greg Martin John TateMaxie / Scheiler / Foreign Colonel (voice) (uncredited) David LaneRegista / Montatore Alan PattilloRegista / Sceneggiatore Alan FennellSceneggiatore Dennis SpoonerSceneggiatore Donald RobertsonSceneggiatore Sylvia AndersonLady Penelope Creighton-Ward / Sceneggiatore Tony BarwickSceneggiatore Martin CrumpSceneggiatore Gerry AndersonSceneggiatore / Produttore Esecutivo Grenville NottArt Direction Derek MeddingsVisual Effects Director 
