Presented in Supercolorisation
David GrahamDr. Horatio Beaker / Mitch the Monkey / Morse Operator (voice) Sylvia AndersonDoctor Venus (voice) / Writer Paul MaxwellColonel Steve Zodiac (voice) Gerry AndersonRobert the Robot (voice) (uncredited) / Writer / Producer John BluthalCommander Wilbur Zero / Kazak (voice) Graydon GouldMike Mercury / Film Narrator (voice) George MurcellProfessor Rudolph Popkiss / Black Morgan (voice) Nicholas ParsonsSheriff Tex Tucker / Telegraph Operator Dan Morse (voice) Kenneth ConnorDusty the Dog / Rocky the Horse / Foreman (voice) Denise BryerMartha 'Ma' Jones (voice) Michael HollidaySheriff Tex Tucker (singing voice) (uncredited) Gerry AndersonRobert the Robot (voice) (uncredited) / Writer / Producer Sylvia AndersonDoctor Venus (voice) / Writer John ReadDirector Of Photography Barry GrayOriginal Music Composer / Idea Don SpencerTheme Song Performance Mike SammesTheme Song Performance