Professor Emil Keller has created a machine that can pacify even the most dangerous of criminals. But when the Doctor and Jo arrive at Stangmoor Prison for a demonstration, things start to go horribly wrong - especially when they discover that the Doctor's old enemy the Master is responsible for the machine.
Full Cast of Doctor Who: The Mind of Evil
Michael Sheard
as Dr. Roland Summers
Michael Sheard (18 June 1938 – 31 August 2005) was a Scottish actor who featured in a large number of films and telev...
Raymond Westwell
as Prison Governor
Fernanda Marlowe
as Corporal Bell
Clive Scott
as Arthur Linwood
Roy Purcell
as Chief Prison Officer Powers
Eric Mason
as Senior Prison Officer Green
Bill Matthews
as Prison Officer
Barry Wade
as Prison Officer
Dave Carter
as Prison Officer
Martin Gordon
as Prison Officer
Hayden Jones
as Vosper
David Calderisi
as Charlie
Johnny Barrs
as Fuller
Matthew Walters
as Main Gates Prisoner
Timothy Combe
as Prisoner (uncredited)
Crew of Doctor Who: The Mind of Evil
Discover the backstage crew of Doctor Who: The Mind of Evil →- Released on March 06, 1971