Last updated 09 January 2020

Cast
Jon PertweeDoctor Who
Elisabeth SladenSarah Jane Smith
Nicholas CourtneyBrigadier Lethbridge-Stewart
Richard FranklinMike Yates
John LeveneSergeant Benton
Cyril ShapsProfessor Clegg
John DearthLupton
Christopher BurgessBarnes
Terence LodgeMoss
Carl ForgioneLand
Andrew StainesKeaver
Kevin LindsayCho je
John KaneTommy
Terry WalshStand In
Roger Salter(extra)
Geoffrey Brighty(extra)
Julian Hudson(extra)
Patsy White(extra)
Jack Baker(extra)
Pat Travis(extra)
Freddie White(extra)
Sarah Jane Steer(extra)
Leslie Glenroy(extra)
David Nicholls(extra)
Tony Kilbane(extra)
Elaine Banham(extra)
Barry SmithSpider
Chubby OatesPoliceman
Pat GormanSoldier
Terry WalshMan with boat
Michael PinderHopkins
Stuart FellTramp
Ysanne ChurchmanSpider Voice
Kismet DelgadoSpider Voice
Barry LettsPolice Radio Voice
Terry WalshStunt Double for Doctor Who
Gareth HuntArak
Geoffrey MorrisSabor
Jenny LairdNeska
Joanna MonroRega
Ralph ArlissTuar
Walter RandallGuard Captain
Maureen MorrisSpider Voice
Leslie BatesGuard
Steve IsmayGuard
Dennis PlentyGuard
Roy PearceGuard
Derek HuntGuard
Harry FielderGuard
Barbara BermelVillager
Sue Ann MannersVillager
Margaret McKechnieVillager
Lorna KilnerVillager
Ann PlentyVillager
Mary RennieVillager
Pat GormanVillager
Ian ElliotVillager
Simon ChristyVillager
Ken TraceyVillager
Keith AshleyVillager
Bill MatthewsVillager
Alan ChuntzStunt Man
Stuart FellStunt Man
Billy HorriganStunt Man
John CashGuard
Geoffrey WitherickGuard
Max FaulknerGuard Captain
George CormackK'anpo
Tom BakerThe new Dr Who
Production Team
Robert SlomanWriter
Barry LettsDirector
Rochelle SelwynDesigner
Terrance DicksScript Editor
Ralph WaltonStudio Lighting
John HolmesStudio Sound
L Rowland-WarneCostume Designer
Deanne TurnerMake-up
Bernard WilkieVisual Effects Designer
Fred HamiltonFilm Cameraman
John GatlandFilm Sound
Bob RymerFilm Editor
Dudley SimpsonIncidental Music
Dick MillsSpecial Sound
Ron GrainerTitle Music
BBC Radiophonic WorkshopTitle Music
Bernard LodgeTitle Sequence
Barry LettsWriter
Barry LettsProducer
George GallaccioProduction Unit Manager
Tommy DawsonTechnical Manager
Nick LakeVision Mixer
Andrew HunterGrams Operator
Graeme HarperAssistant Floor Manager
Marion McDougallProduction Assistant
Ian PunterFilm Camera Assistant
Geoffrey PosnerFloor Assistant
Jim GommGrip
Frank BrownFilm Sound Assistant
Hugh WilsonFilm Operatives Manager
Albert CrushFilm Props
Ian ScoonesVisual Effects Assistant
Richard ConwayVisual Effects Assistant
Steve BowmanVisual Effects Assistant
Mat IrvineVisual Effects Assistant
Sheelagh WellsMake-Up Assistant
Heather DunthorneDirector's Assistant
Dave ChapmanInlay Operator
Delia DerbyshireTitle Music Arranger