Last updated 24 March 2024

Cast
Patrick TroughtonDr. Who
Louise PajoGia Kelly
John WittyComputer Voice
Ric FelgateBrent
Harry TowbOsgood
Ronald Leigh-HuntRadnor
Terry ScullyFewsham
Christopher CollPhipps
Martin CortLocke
Wendy PadburyZoe
Frazer HinesJamie
Philip RayEldred
Alan BennionSlaar
Steve PetersIce Warrior
Pat GormanTechnician
Edward CogdellTechnician
Alan ChuntzStunts
Monique BriantTechnician
Tony HarwoodIce Warrior
Pat GormanTechnician
Royston FarrellTechnician
Eric KentTechnician
Derrick SlaterSecurity Guard
Sonny CaldinezIce Warrior
Alan ChuntzStunt Man
Edward CogdellTechnician
Ron ConradTechnician
Douglas RoeGuard
Tom LairdDouble for Doctor
Peter Blair StewartGuard
James HaswellTechnician
Derrick ChaperTechnician
Hugh MortonSir James Gregson
Graham LeamanGrand Marshall
Peter WhitakerWeather Control Operator
Tony HutchinsGuard
Keith GoodmanGuard
Phil LundgrenGuard
John CreaseGuard
Peter RoyGuard
Crawford LyleTechnician
Phil LumgrenGuard
Fred ClemsonGuard
Production Team
Brian HaylesWriter
Michael FergusonDirector
Peter BryantProducer
Paul AllenDesigner
Terrance DicksScript Editor
Bobi BartlettCostumes
Dudley SimpsonIncidental Music
Ron GrainerTitle Music
BBC Radiophonic Workshopand the
Peter HallFilm Cameraman
Ron BlightFilm Sound
Martyn DayFilm Editor
Howard KingLighting
Bryan ForghamSound
Sylvia JamesMake-up
Bill KingVisual Effects Designer
Trading PostVisual Effects Designer
Brian HodgsonSpecial Sound
Chris GriffinVision Mixer
John LloydGrams Operator
Trina CornwellAssistant Floor Manager
John NortonFloor Assistant
Fiona CummingProduction Assistant
Hugh WilsonFilm Operations Manager
Mike SpoonerFilm Camera Assistant
I H MortonFilm Sound Assistant
Ron KeightleyFilm Sound Assistant
Peter BlackenDesign Assistant
Raquel E. EbbuttDirector's Assistant
Barbara BuchananArtist Booking
Bernard LodgeTitle Sequence
Delia DerbyshireTitle Music Arranger
Terrance DicksWriter