Plot
When the Master steals the Time Lords' secret file on the Doomsday Weapon, they grant the Doctor a temporary reprieve from his exile on Earth to deal with the crisis. He and Jo arrive on the planet Uxarieus and become enmeshed in a struggle between an agrarian colony and a powerful mining corporation.
Trailer
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Cast
Jon Pertwee
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
Roger Delgado
The Master
Nicholas Pennell
Winton
John Ringham
Ashe
David Webb
Leeson
Sheila Grant
Jane Leeson
Roy Skelton
Norton
Helen Worth
Mary Ashe
John Line
Martin
Mitzi McKenzie
Mrs. Martin
John Scott Martin
Robot
Pat Gorman
Primitive / Voice / Long / Colonist
Graham Leaman
Time Lord
Peter Forbes-Robertson
Time Lord
John Baker
Time Lord
Bernard Kay
Caldwell
Morris Perry
Captain Dent
Tony Caunter
Morgan
John Herrington
Holden
Stanley McGeagh
Alien
John Tordoff
Alec Leeson
Norman Atkyns
The Guardian
Roy Heymann
Alien Priest
