Last updated 24 March 2024

Cast
Tom BakerDoctor Who
Elisabeth SladenSarah Jane Smith
Tony BeckleyHarrison Chase
John ChallisScorby
Mark JonesArnold Keeler
Hubert ReesJohn Stevenson
John GleesonCharles Winlett
Michael McStayDerek Moberley
Kenneth GilbertRichard Dunbar
Michael BarringtonSir Colin Thackeray
Seymour GreenHargreaves
Peter BaileyMike Wilson (Voice)
Sylvia ColeridgeAmelia Ducat
David MastermanGuard Leader
Ian FairbairnDoctor Chester
Alan ChuntzChauffeur
Harry FielderGuard
Bryan NolanChase's Guard
Ian ElliottChase's Guard
Pat GormanChase's Guard
Patrick MilberAntarctica Marine
Ronald GoughAntarctica Marine
Keith AshleyKyrnoid
Ronald GoughKyrnoid
John AchesonMajor Beresford
Ray BarronSergeant Henderson
Mark JonesKrynoid voice
Keith AshleySecretary
Patrick GinterSoldier
Rowland GeallSoldier
Peter BaileyRAF
Tony SnellSoldier
Barry SummerfordSoldier
Derek WaylandSoldier
Production Team
Robert Banks StewartWriter
Douglas CamfieldDirector
Philip HinchcliffeProducer
Roger Murray-LeachDesigner
Jeremy BearDesigner
Robert HolmesScript Editor
Clive PotterOB Lighting
Vic GodrichOB Sound
John DixonStudio Lighting
John HolmesStudio Sound
Richard ConwayVisual Effects Designer
Barbara LaneCostume Designer
Ann BriggsMake-up
Geoffrey BurgonIncidental Music
Dick MillsSpecial Sound
Ron GrainerTitle Music
BBC Radiophonic Workshopand
Bernard LodgeTitle Sequence
Graeme HarperProduction Assistant
Janet RadenkovicProduction Unit Manager
Keith HopperFilm Cameraman
M A C AdamsFilm Editor
Sue ShearmanAssistant Floor Manager
Sue ThorneVision Mixer
Bernard FoxTechnical Manager
Dave JervisElectronic Effects
Andrew HunterGrams Operator
Bert RobinsonTechnical Manager(TM2)
Paul KaySenior Cameraman
Paul JacksonOB Vision Mixer
Simon FoneOB Cameraman
Frank HudsonOB Cameraman
Steve HaggardFloor Assistant
Catherine Cary-ElwesMake-Up Assistant
Janet GilpinMake-Up Assistant
Gillian ThomasMake-Up Assistant
Jan SpoczynskiDesign Assistant
Briony BrownDirector's Assistant
Nansi DaviesArtist Booking
Arthur FungeDresser
Moira FitzgeraldDresser
Gillian BowlesPre-Production Secretary
Carol VigursFacilities Booker
Alan MerrickOrchestrated by
Delia DerbyshireTitle Music Arranger
Terry WalshFight Arranger
Graham GilesVision Mixer
George GallaccioProduction Unit Manager
Heather GilderVision Mixer