Last updated 24 March 2024

Cast
Jon PertweeDr. Who
Nicholas CourtneyBrigadier Lethbridge-Stewart
Katy ManningJo Grant
Richard FranklinMike Yates
Pik-Sen LimCaptain Chin Lee
Raymond WestwellPrison Governor
Michael SheardDr. Summers
Simon LackProfessor Kettering
Neil McCarthyBarnham
Fernanda MarloweCorporal Bell
Clive ScottLinwood
Roy PurcellChief Prison Officer Powers
Eric MasonSenior Prison Officer Green
Bill MatthewsPrison Officer
Barry WadePrison Officer
Dave CarterPrison Officer
Martin GordonPrison Officer
B G HeathBlack Maria Drivers
Billy HorriganUNIT Corporal
Bob BlainePrisoner (Mind of Evil)
Derek ChaferPrisoner (Mind of Evil)
Johnny ClumpPrisoner (Mind of Evil)
Laurie AyresPrisoner (Mind of Evil)
Les ClarkPrisoner (Mind of Evil)
Max DiamondPrisoner (Mind of Evil)
Michael CarterPrisoner (Mind of Evil)
Pat DonahuePrisoner (Mind of Evil)
Peter RoyPrisoner (Mind of Evil)
Ricky LancingPrisoner (Mind of Evil)
Bombadier A GreenSoldier (mind of Evil)
Bombadier Barry HallSoldier (mind of Evil)
Bombadier J LambSoldier (mind of Evil)
Bombadier R ThompsonSoldier (mind of Evil)
Francis WilliamsChauffeur to Master
Frank BennettBlack Maria Drivers
Gary GregoryBlack Maria Drivers
Gunner K DavenportSoldier (mind of Evil)
Lance Bomb H BerkleySoldier (mind of Evil)
Sgt HerridageSoldier (mind of Evil)
Sgt D TallotSoldier (mind of Evil)
Michael ElyChauffeur
Francis BotsoniCheng Teik's corpse
Leslie WeekesGuard
Charles FinchMedical Officer
Charles PickessMedical Officer
Charles MarriottPhotographer
Tony JenkinsPrison Officer
Alistair McFarlanePrisoner
Cy TownPrisoner
Dennis BalcombePrisoner
Desmond VeriniPrisoner
George BallantinePrisoner
Leonard KingstonPrisoner
Ned HoodPrisoner
Paul BlomleyPrisoner
Philip WebbPrisoner
Maureen RaceStudent at Prison
Ian ElliottUNIT Soldier
Robert BaldUNIT Soldier
Nick HobbsUNIT Soldier
Stuart FellUNIT Soldier
Roger DelgadoThe Master
John LeveneSergeant Benton
William MarloweMailer
Haydn JonesVosper
Kristopher KumFu Peng
Tommy DugganSenator Alcott
Paul TannChinese aide
Basil TangChinese chauffeur
Charles SaynorCommissionaire
Francis WilliamsMaster's chauffeur
Jim DelaneyPasser By
Michael CarterUNIT Soldier
Richard AthertonPolice Inspector
Roger MarsdenUNIT Soldier
Wolfgang Van JergenPrisoner (Mind of Evil)
Leslie WeekesGuard
Matthew WaltersMain Gates Prisoner
Gordon StothardPrison Officer
Les ConradPrison Officer
Val MusettiPrisoner
Alan ChuntzStunts
Billy HorriganStunts
Marc BoyleStunts
Mike StevensStunts
Roy ScammellStunts
Terry WalshStunts
David CalderisiCharlie
Johnny ClumpStunt Man
Richard AthertonPrisoner (Mind of Evil)
Roger MarsdenPrisoner (Mind of Evil)
Val MusettiPrisoner
Bob BlaineStunts
Derek MartinStunts
Ian ElliottStunts
Les ClarkStunts
Max DiamondStunts
Michael CarterStunts
Pat DonahueStunts
Ricky LancingStunts
Patrick GodfreyMajor Cosworth
Johnny BarrsFuller
Laurie AyresMain Gates Prisoner
Barry WadePrison Officer
Bill MatthewsPrison Officer
Dave CarterPrison Officer
Martin GordonPrison Officer
Denis BalcombePrisoner
Richard AthertonPrisoner
Charles MarriottUNIT Soldier
Robert BaldUNIT Soldier
Roger MarsdenUNIT Soldier
Tony JenkinsUNIT Soldier
Michael ElyUNIT Soldier