Arriving on Space Station Nerva in its distant past, the Doctor, Sarah and Harry find its crew threatened by a mysterious plague. Discovering that things are not as they seem, they uncover a Cyberman plot to destroy Voga, planet of gold.
Tom Baker
as Doctor Who
Elisabeth Sladen
as Sarah Jane Smith
Ian Marter
as Harry Sullivan
Ronald Leigh-Hunt
as Commander Stevenson
William Marlowe
as Lester
Kevin Stoney
as Tyrum
David Collings
as Vorus
Alec Wallis
as Warner
Michael Wisher
as Magrik
Christopher Robbie
as Cyber-Leader
CinemaSerf
The "Cybermen" were never my favourite enemy of the "Doctor" - they were OK in the monochrome days with William Hartnell but I didn't really rate them later on. Anyway, this time we see Tom Baker, "Sarah Jane" (Elisabeth Sladen) and "Harry" (Ian Marter) back on the "Nerva Beacon" only discover that ...