Last updated 24 March 2024

Cast
Jon PertweeDr. Who
Roger DelgadoThe Master
Katy ManningJo Grant
Nicholas CourtneyBrigadier Lethbridge-Stewart
Richard FranklinMike Yates
John LeveneSergeant Benton
Wanda MooreDr. Ruth Ingram
Ian CollierStuart Hyde
John WyseDr. Percival
Neville BarberDr. Cook
Barry AshtonProctor
Terry WalshWindow Cleaner
Constance WilliamsDr Cook's Driver
Donald EcclesKrasis
Aidan MurphyHippias
Keith DaltonNeophite
Simon LegreeUnit Sergeant
Marc BoyleKronos
George CormackDalios
Gregory PowellKnight
Dave CarterRoundhead Officer
B CoxAmbulance Driver
Sylvia De La MareAmbulance Lady
Michael DeaconLand Rover Driver
Jack ParkerLorry Driver
Richard RickfordLorry Driver
Eric KentRoundhead
Anthony HennesseyRoundhead
Richard KirkRoundhead
Paul BartonRoundhead
Geoffrey BrightyRoundhead
Nigel WinderRoundhead
Nick HobbsSoldier (UNIT)
Reg TurnerSoldier (UNIT)
Les ConradSoldier (UNIT)
Jim DowdallSoldier (UNIT)
Kevin MoranSoldier (UNIT)
Bernard BarnsleySoldier (UNIT)
Bob BlaineStunts
Stuart BarryStunts
Mike StevensStunts
Derek AllenStunts
James MuirStunts
Ian ElliottStunts
Brian GilmarStunts
George LeeFarmworker
Darren PlantBaby
Ingrid PittGalleia
Derek MurcottCrito
Susan PenhaligonLakis
Michael WalkerMiseus
Dave ProwseMinotaur
Melville JonesGuard
Nick HobbsGuard (Atlantis)
Richard EdenGuard (Atlantis)
Christopher HolmesGuard (Atlantis)
Laurie GoodeGuard (Atlantis)
Geoffrey MorganGuard (Atlantis)
Jonas KerrGuard (Atlantis)
Marc LandresTrumpeter
Andrew DempseyTrumpeter
Jamie GriffinTrumpeter
Jeremy HigginsTrumpeter
George GregneySedan Carrier
Francis WilliamsSedan Carrier
Yinka AdebiyiSedan Carrier
Peter JonsonSedan Carrier
Bill WhiteheadCouncillor
Reg LloydCouncillor
Wilfred BoyleCouncillor
Edmund BaileyCouncillor
Colin CunninghamCouncillor
Peter PennyCouncillor
Yvonne AshleyServing Girl
Alison DaimlerServing Girl
Susan PatriceServing Girl
Virginia MullServing Girl
Ingrid BowerFace of Kronos
Ian ElliottSoldier (UNIT)
Brian GilmarSoldier (UNIT)
Val MusettiStunt Double for Hippias
Production Team
Robert SlomanWriter
Paul BernardDirector
Barry LettsProducer
Tim GleesonDesigner
Terrance DicksScript Editor
Derek HobdayStudio Lighting
Tony MillierStudio Sound
Peter HamiltonFilm Cameraman
Derek MedusFilm Sound
Martyn DayFilm Editor
Michaeljohn HarrisVisual Effects Designer
Barbara LaneCostumes
Joan BarrettMake-up
Brian HodgsonSpecial Sound
Dudley SimpsonMusic by
Ron GrainerTitle Music
BBC Radiophonic Workshopand
Barry LettsWriter
Rosemary HesterAssistant Floor Manager
Marion McDougallProduction Assistant
Sue UptonDirector's Assistant
Colin MunnFilm Camera Assistant
Alec ChristisonFilm Sound Assistant
Bill PagetGrip
John PhillipsFilm Operative
John RiceFilm Operative
Lee TurnerFilm Operative
Ray DaviesFilm Operative
Denis AdooCostume Assistant
Jean CookCostume Assistant
Ken LedshamDesign Assistant
Jacki BlockMake-Up Assistant
Jean StewardMake-Up Assistant
Adrian StocksMusic Sound Supervisors
Ray AngelMusic Sound Supervisors
Charlie LummVisual Effects Assistant
Peter PegrumVisual Effects Assistant
Catriona ThompsonArtist Booking
Phyllis PageArtist Booking
Sybil CaveArtist Booking
Susan HopkinsArtist Booking
Delia DerbyshireTitle Music Arranger
Bernard LodgeTitle Sequence
Stephen MorrisFloor Assistant
Frank RoseTechnical Manager(TM2)
Gordon PhillipsonGrams Operator
Shirley CowardVision Mixer
Fred LawVision Mixer