Last updated 24 March 2024

Cast
Jon PertweeDoctor Who
Nicholas CourtneyBrigadier Lethbridge-Stewart
Katy ManningJo Grant
Nicholas PennellWinton
John RinghamAshe
David WebbLeeson
Sheila GrantJane Leeson
Roy SkeltonNorton
Helen WorthMary Ashe
John LineMartin
Mitzi WebsterMrs. Martin
Pat GormanPrimitive and Voice
Peter Forbes-RobertsonTime Lord
John BakerTime Lord
Graham LeamanTime Lord
John Scott MartinRobot
Terry WalshStunt Man
Dinny PowellStunt Man
Alf JointStunt Man
Mike HorsburghStunt Man
Charles PickessColonist
Ken HalliwellColonist
Bob BlaineColonist
Alan PetersColonist
Brian GilmarColonist
John CaesarColonist
Les ClarkPrimitive
Susan JamesonMrs Ashe (photo)
Bernard KayCaldwell
Morris PerryDent
Tony CaunterMorgan
John HerringtonHolden
Stanley McGeaghAllen
Pat GormanLong
John McGrathPrimitive
Derek ChaferPrimitive
Stewart AndersonPrimitive
Ian ElliottColonist
Brian GilmarIMC Guard
Brian JusticeIMC Guard
Keith SimonIMC Guard
Stewart StephensIMC Guard
Valentino MusettiPrimitive
Michael E BriantVoices
Roger DelgadoMaster
John TordoffAlec Leeson
Norman AtkynsGuardian
Roy HeymannAlien Priest
Stanley MasonIMC Guard
Antonia MossIMC Guard
Valentino MusettiPrimitive
Pat GormanColonist
Jay McGrathColonist
Les ConradColonist
Les ClarkeIMC Guard
Mike StephensIMC Guard
Bob BlaineIMC Guard
Clay HunterColonist
Charles FinchColonist
Monique BriantColonist
Max DiamondStunt Man
Bill HorriganColonist
Valentino MusettiColonist
Barry StephensIMC Guard
Jay NeillIMC Guard
Les ClarkIMC Guard
Emmett HennessyColonist
Walter TurnerColonist
Mike StephensColonist
Production Team
Malcolm HulkeWriter
Michael BriantDirector
Barry LettsProducer
Tim GleesonDesigner
Terrance DicksScript Editor
Ralph WaltonStudio Lighting
David HughesStudio Sound
Tony MillierStudio Sound
Michael BurdleCostumes
Jan HarrisonMake-up
Bernard WilkieVisual Effects Designer
Peter HallFilm Cameraman
William SymonFilm Editor
Brian HodgsonSpecial Sound
BBC Radiophonic WorkshopSpecial Sound
Dudley SimpsonIncidental Music
Ron GrainerTitle Music
BBC Radiophonic WorkshopTitle Music
Nicholas JohnProduction Assistant
Bernard FoxTechnical Manager
Derek MedusFilm Sound Recordist
Eddie DougallFilm Sound Assistant
Alec CurtisFilm Camera Assistant
Ian ScoonesVisual Effects Assistant
Colin MapsonVisual Effects Assistant
John FriedlanderVisual Effects Assistant
Gordon PhillipsonGrams Operator
Jim StephensVision Mixer
Graeme HarperAssistant Floor Manager
John TurnerFloor Assistant
Pauline SilcockDirector's Assistant
Delia DerbyshireTitle Music Arranger
Bernard LodgeTitle Sequence