Last updated 09 January 2020

Cast
Peter DavisonThe Doctor
Janet FieldingTegan
Sarah SuttonNyssa
Nicholas CourtneyThe Brigadier
Valentine DyallBlack Guardian
Mark StricksonTurlough
Angus MacKayHeadmaster
Stephen GarlickIbbotson
Roger HammondDoctor Runciman
Sheila GillMatron
Nick GillardStunt Double for Turlough
Paul HeasmanStunt Double for Ibbotson
Mark McBrideVan Driver
Robert SmythePolice Constable
John CannonPolice Sergeant
Judy RogerMiddle Aged Lady
Dennis JenningsMiddle Aged Man
Bill FeltonFarm Labourer
Bill HughesFarm Labourer
Paul RyanSchoolboy
John Hamilton RussellSchoolboy
Miles RossSchoolboy
Adam RosSchoolboy
Colin PeckSchoolboy
Glen PaulSchoolboy
Paul LawrenceSchoolboy
Piers KeatingSchoolboy
Colin ForsythSchoolboy
Russell BrookSchoolboy
Chris BradshawSchoolboy
David ColeSchoolboy (1983)
Wayne NormanSchoolboy
Mark AllingtonSchoolmaster
Les ConradSchoolmaster
David CollingsMawdryn
Derek ChessorSchoolboy
Mitchell HornerSchoolboy
Stephen KebellSchoolboy
Timothy SlenderSchoolboy
Fred HaggertySchoolmaster
Gerry AlexanderSchoolmaster
William HartnellThe Doctor
Patrick TroughtonThe Doctor
Jon PertweeDoctor Who
Tom BakerDoctor Who
Michael KilgarriffRobot
Keith AshleyZygon
Peter Walmsley1st Mutant
Brian Darnley2nd Mutant
Richard SheekeyDouble for The Brigadier
David ColeMutant
Ian CraigMutant
Michael LeaderMutant
Mitchell HornerMutant
Richard OlleyMutant
Lucy BenjaminNyssa as a child
Sian PattendenTegan as a child
David ColeMutant
Production Team
Peter GrimwadeWriter
Peter MoffattDirector
John Nathan-TurnerProducer
Stephen ScottDesigner
Eric SawardScript Editor
Sid SuttonTitle Sequence
Amy RobertsCostume Designer
Sheelagh WellsMake-up Artist
Don BabbageStudio Lighting
Martin RidoutStudio Sound
Alan ArbuthnottTechnical Manager
Robin BarnesSenior Cameraman
Rod WaldronVideotape Editor
Stuart BrisdonVisual Effects Designer
Robin LobbVideo Effects
Carol JohnsonVision Mixer
Godfrey JohnsonFilm Cameraman
Ron BrownFilm Sound
Chris WoolleyFilm Editor
Ann AronsohnProduction Manager
June CollinsProduction Associate
Valerie LetleyProduction Assistant
Ian D TootleAssistant Floor Manager
Paddy KingslandIncidental Music
Dick MillsSpecial Sound
BBC Radiophonic WorkshopSpecial Sound
Ron GrainerTitle Music
Peter HowellTitle Music Arranger
Johnny ByrneNyssa created by
Mervyn HaismanBrigadier created by
Henry LincolnBrigadier created by