Far in the distant future, Earth has become uninhabitable, forcing Mankind to colonise first Mars and then Pluto. No longer the coldest planet in the solar system, Pluto is now warmed by artificial suns. The Doctor, Leela and K9 arrive to discover the exploitation of the Megropolis people by the ruling elite, lead by the Collector. Deep in the Undercity, a small group of revolutionaries plot to overthrow the company and the Doctor is forced to fight the oppression of the people using Fire against Fire...
Tom Baker
The Doctor
Louise Jameson
Leela
John Leeson
K9 Mk. I (voice)
Henry Woolf
The Collector
Richard Leech
Gatherer Hade
Jonina Scott
Marn
Roy Macready
Cordo
David Rowlands
Bisham
