Last updated 24 March 2024

Cast
Colin BakerThe Doctor
Bonnie LangfordMelanie Bush
Michael JaystonThe Valeyard
Lynda BellinghamThe Inquisitor
Honor BlackmanProfessor Lasky
Michael CraigCommodore
Denys HawthorneRudge
Yolande PalfreyJanet
Malcolm TierneyDoland
David AllisterBruchner
Tony ScoggoGrenville/Enzu
Arthur HewlettKimber
Simon SlaterEdwardes
Sam HowardAtza
Leon DavisOrtezo
Hugh BevertonGuard/First Guard
Richard BonehillHyperion III Officer
Robert GoodmanHyperion III Officer
Kenneth ThomasTime Lord
David BacheTime Lord
Derek HuntTime Lord
David FieldsendTime Lord
John BuckmasterTime Lord
Leslie FryTime Lord
Jim DelaneyTime Lord
Roy SeeleyTime Lord
Lew HooperTime Lord
David EynonTime Lord
Jack HortonTime Lord
Martin ClarkTime Lord
Bob HargreavesTime Lord
Barry ButlerTime Lord
Oscar PeckCourt Guard
Gary ForecastCourt Guard
John CapperCourt Guard
Kevin O'BrianCourt Guard
Ian Marshall-FisherClerk of the Court
Quint BoaHyperion Crew
Richard BonehillHyperion Crew
Paul HolmesHyperion Crew
John ConstableHyperion Crew
Lea DerekHyperion Crew
Martin HyderHyperion Crew
Barry HollandHyperion Crew
Robert GoodmanHyperion Crew
John SmallHyperion Crew
Maurice IleyHyperion Crew
Kevin VaughanHyperion Crew
Jonny Lee-HarrisHyperion Crew
Martin ClarkHyperion Crew
Michael SummerfieldHyperion Crew
Geoff WhitestoneHyperion Crew
Mike MungarvanDuty Officer
Martin WeedonSecond Guard
Barbara WardMutant/Ruth Baxter
Gess WhitfieldVervoid
Paul HillierVervoid
Bill PerrieVervoid
Jerry ManleyVervoid
Peppi BorzaFirst Vervoid
Bob ApplebySecond Vervoid
Martin WeedonGuard
Martin WeedonGuard
Hugh BevertonGuard
Llewellyn WilliamsTime Lord