The Mind of Evil (TV story)

Synopsis
The Doctor and Jo visit Stangmoor Prison for a demonstration of the Keller Machine -a device claimed to be capable of extracting negative emotions from hardened criminals.

Plot
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Cast

 * The Doctor - Jon Pertwee
 * Jo Grant - Katy Manning
 * Brigadier Lethbridge-Stewart - Nicholas Courtney
 * The Master - Roger Delgado
 * Sergeant Benton - John Levene
 * Captain Mike Yates - Richard Franklin
 * Corporal Bell - Fernanda Marlowe
 * Professor Kettering - Simon Lack
 * Captain Chin Lee - Pik Sen Lim
 * Dr. Summers - Michael Sheard
 * Prison Governor - Raymond Westwell
 * Barnham - Neil McCarthy
 * Linwood - Clive Scott
 * Chief Prison Officer Powers - Roy Purcell
 * Senior Prison Officer Green - Eric Mason
 * Mailer - William Marlowe
 * Vosper - Hayden Jones
 * Fu Peng - Kristopher Kum
 * Charlie - Tommy Duggan
 * Senator Alcott - David Calderisi
 * Major Cosworth - Patrick Godfrey
 * Fuller - Johnny Barrs
 * Prison Officers - Bill Matthews, Barry Wade, Dave Carter, Martin Gordon
 * Main Gate Prisoner - Matthew Walters

Crew

 * Action / Stuntwork - HAVOC
 * Assistant Floor Manager - Sue Hedden
 * Costumes - Bobi Bartlett
 * Designer - Ray London
 * Film Cameraman - Fred Hamilton, Max Samett
 * Film Editor - Howard Billingham
 * Incidental Music - Dudley Simpson
 * Make-Up - Jan Harrison
 * Producer - Barry Letts
 * Production Assistant - John Griffiths
 * Script Editor - Terrance Dicks
 * Special Sounds - Brian Hodgson
 * Studio Lighting - Eric Monk
 * Studio Sound - Chick Anthony
 * Theme Arrangement - Delia Derbyshire
 * Title Music - Ron Grainer
 * Visual Effects - Jim Ward

Story Notes

 * This story had the working titles of The Pandora Machine, Man Hours, The Pandora Box, The Pandora's Box.
 * This is the first occurrence of subtitles on screen in Doctor Who, the only other time is in DW: The Curse of Fenric.

Ratings

 * Episode 1 - 6.1 million viewers
 * Episode 2 - 8.8 million viewers
 * Episode 3 - 7.5 million viewers
 * Episode 4 - 7.4 million viewers
 * Episode 5 - 7.6 million viewers
 * Episode 6 - 7.3 million viewers

Myths

 * The Doctor makes a comment in episode one that suggests he supports capital punishment. His comment is ironic and suggests precisely the opposite.

Filming Locations

 * Location filming took place in Dover Castle, Dover, Kent.
 * Alland Grange, Manston, Kent
 * Pineham Road, Pineham, Kent
 * Cornwall Gardens Walk, London
 * Cornwall Gardens, London
 * Archer's Court Road, Whitfield, Kent
 * RAF Swingate, Dover, Kent
 * Commonwealth Institute, Kensington, London
 * BBC Television Centre (Studio 3 & 6), Shepherd's Bush, London

Discontinuity, Plot Holes, Errors
How does the water get into the drowned man's lungs if he's only killed by his fear of drowning?
 * The Doctor fears Koquillion and War Machines yet in their featured episodes, he had no or little fear of them
 * The destruction of the 'deadly' Thunderbolt missile at the climax of this story seems to do surprisingly little damage to the surrounding area.
 * During a fight sequence in which water is spilled, the Master twice slips in the puddle.
 * In the office scene in episode four a female sneeze from the studio is heard.
 * We see the Doctor use Venusian martial arts for the first time. He calls it Venusian Karate.
 * The hallway leading up to cell 7 (the cell where the Doctor and Jo are stashed at various points) has a different appearance when viewed from outside and inside the cell.
 * When the Master's thugs throw the Doctor into the cell, the wall shakes.
 * Is densely populated southern England really a suitable place to detonate a missile full of nerve gas?

Continuity

 * The Doctor alludes to DW: Inferno, "I saw an entire world consumed by fire".
 * The Master's greatest fear (of the Doctor looming over him) becomes real in DW: Last of the Time Lords.
 * UNIT provides security for the second World Peace Conference in DW: Day of the Daleks.
 * DWU: Sympathy for the Devil features an alternate universe and an adventure that features the Keller Machine (in a different guise).

DVD, Video and Other Releases
Released as a double-cassette pack on VHS in black and white, the only format in which the story is currently known to exist. The only surviving colour footage from the story, approximately five minutes from the beginning of Episode Six, is included as a separate sequence at the end of the second tape. It is rumoured that this serial is currently being recolourised for DVD; while a colour snapshot has been released by Steve Roberts (which could just be for testing/demonstration purposes), no such release has yet been confirmed by 2|entertain.

Novelisation

 * Main article: The Mind of Evil (novelisation)


 * The Mind of Evil was novelised as The Mind of Evil by Terrance Dicks in 1985 by Target Books.