Last updated 10 June 2021

Cast
Peter DavisonThe Doctor
Janet FieldingTegan
Mark StricksonTurlough
Rodney BewesStien
Rula LenskaStyles
Del HenneyColonel Archer
Maurice ColbourneLytton
Chloe AshcroftProfessor Laird
Philip McGoughSergeant Calder
Terry MolloyDavros
Jim FindleyMercer
Sneh GuptaOsborn
Les GranthamKiston
Roger DavenportTrooper
John Adam BakerCrewmember
Linsey TurnerCrewmember
William SleighGalloway
Brian MillerDalek Voice
Royce MillsDalek Voice
John Scott MartinDalek Operator
Cy TownDalek Operator
Tony StarrDalek Operator
Toby ByrneDalek Operator
Ben RobertsTrooper
Peter Roy(extra)
Albert Welch(extra)
Kevin Goss(extra)
Sean McCabe(extra)
Barney Lawrence(extra)
Michael Jefferies(extra)
Kevin O'Brien(extra)
Simon Crane(extra)
Trevor St. John Hacker(extra)
Jeff Wayne(extra)
Tony Liotti(extra)
Martin Nelson(extra)
Mike Mungarvan(extra)
Alan Riches(extra)
Michael Braben(extra)
Pat Judge(extra)
Robert Goodman(extra)
Ginny Rose(extra)
Eric Corlett(extra)
Penny Lambirth(extra)
Nigel Tisdall(extra)
Mair Coleman(extra)
George Christie(extra)
Rudolf Ramillo(extra)
Ranjit Nakara(extra)
Ian Marshall Fisher(extra)
Kenneth Lawrie(extra)
Mike Viden(extra)
Della McCrae(extra)
Derek Holt(extra)
Alan Crisp(extra)
Ulric Brown(extra)
Tim Lawrence(extra)
Christopher Wolf(extra)
Michael Eriera(extra)
Adrian Scott(extra)
Graham ColeDuplication Body
Des O'Brien(extra)
Production Team
Eric SawardWriter
Matthew RobinsonDirector
John Nathan-TurnerProducer
John AndersonDesigner
Eric SawardScript Editor
Sid SuttonTitle Sequence
Janet TharbyCostume Designer
Eileen MairMake-up Designer
Ron BristowStudio Lighting
Scott TalbottStudio Sound
Alan ArbuthnottTechnical Coordinator
Alec WhealCamera Supervisor
Hugh ParsonVideotape Editor
Peter WraggVisual Effects Designer
Dave ChapmanVideo Effects
Paul WheelerVision Mixer
Ian PunterFilm Cameraman
Bob RobertsFilm Sound
Dan RaeFilm Editor
Corinne HollingworthProduction Manager
June CollinsProduction Associate
Joy SinclairProduction Assistant
Matthew BurgeAssistant Floor Manager
Ron GrainerTitle Music
Malcolm ClarkeIncidental Music
Dick MillsSpecial Sound
BBC Radiophonic WorkshopTitle Music
BBC Radiophonic WorkshopIncidental Music
BBC Radiophonic WorkshopSpecial Sound
Peter HowellTitle Music Arranger