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.
Credits
Doctor Who: The Mind of Evil Cast
| Name |
Character |
|
Jon Pertwee
He was 51, 76 years old when he died
|
as The Doctor |
|
Katy Manning
She was 24, now 77 years old
|
as Jo Grant |
Doctor Who: The Mind of Evil Crew
| Name |
Department |
|
Don Houghton as Writer. He was 41 (61) years old when He died
|
Writing |
