![](https://image.tmdb.org/t/p/w342/2oSqHRM7GRzEYIq7IFK74RdQpzc.jpg)
Doctor Who: The Mind of Evil (1971)
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.
Directing:
Writing:
Stars:
- Timothy Combe
Writing:
- Don Houghton
- Terrance Dicks
Stars:
Release Date: 1971-03-06
7.2/10
![themoviedb.org themoviedb icon](https://movie-intelligence.com/assets/images/tmdb.png)
- Country: GB
- Language: English
- Runtime: 150
Jo Grant
The Doctor
Brigadier Lethbridge-Stewart
Captain Mike Yates
Sergeant Benton
The Master
Major Cosworth
Captain Chin Lee
Fu Peng
Senator Alcott
Dr. Roland Summers
Prison Officer
George Patrick Barnham
Mailer
![](https://image.tmdb.org/t/p/w300/mTUNq602J7qq74xOWBPItV3hpRY.jpg)
![](https://image.tmdb.org/t/p/w300/AgFkCzQX89058ZYv7uGXtneIf83.jpg)