A group of gold-skinned aliens known as the Axons land on Earth and offer wondrous technology in exchange for fuel. The Doctor, however, isn't fooled, uncovering the Axons' true nature and once again facing his archenemy the Master...
as The Doctor
as Jo Grant
as Brigadier Lethbridge-Stewart
as Captain Mike Yates
as Sergeant Benton
as The Master
as Bill Filer
as Chinn
as Corporal Bell
as George Hardiman
as Winser
as Pigbin Josh
as Axon Man
as 1st Radio Operator
as 2nd Radio Operator
as Axon Woman
as Axon Boy
as Axon Girl
as Captain Harker
as The Minister
as Technician
