as The Doctor
as Jo Grant
as The Master
as Brigadier Lethbridge-Stewart
as Captain Mike Yates
as Sergeant Benton
as Galleia
as Dr. Ruth Ingram
as Stuart Hyde
as Dr. Percival
as Dr. Cook
as Krasis
as Hippias
as Neophite
as Proctor
as Kronos
as Dalios
as Crito
as Lakis
as Miseus
as Minotaur