Doctor Who Guide: The Trial of a Time Lord (Terror of the Vervoids)

Last updated 24 March 2024

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Part Twelve

Series Episode Number: 651

World Premiere: Sat 22 Nov 1986 - 5:45pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 16 Jun 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 45 seconds

5.20 Million (UK)

Appreciation Index: 69 (UK)

Chart Position: 89 () (UK)

Recorded on Thu 31 Jul 1986 in Television Centre 3

The Doctor realises that if he can speed up the Vervoids life span with light, they will decay. Using vionesium, he does so, unwittingly causing genocide in the process

Characters hide uncredited
The Doctor		Colin Baker
Melanie		Bonnie Langford
The Valeyard		Michael Jayston
The Inquisitor		Lynda Bellingham
Professor Lasky		Honor Blackman
Commodore		Michael Craig
Rudge		Denys Hawthorne
Janet		Yolande Palfrey
Doland		Malcolm Tierney
Bruchner		David Allister
Atza		Sam Howard
Ortezo		Leon Davis
First Vervoid		Peppi Borza
Second Vervoid		Bob Appleby
Mutant/Ruth Baxter		Barbara Ward
Edwardes		Simon Slater (uncredited)
Guard		Martin Weedon (uncredited)
Guard		Hugh Beverton (uncredited)
Time Lord		Llewellyn Williams (uncredited)
Hyperion III Officer		Robert Goodman (uncredited)
Kimber		Arthur Hewlett (uncredited)
Time Lord		Kenneth Thomas (uncredited)
Time Lord		David Bache (uncredited)
Time Lord		Derek Hunt (uncredited)
Time Lord		David Fieldsend (uncredited)
Time Lord		John Buckmaster (uncredited)
Time Lord		Leslie Fry (uncredited)
Time Lord		Jim Delaney (uncredited)
Time Lord		Roy Seeley (uncredited)
Time Lord		Lew Hooper (uncredited)
Time Lord		David Eynon (uncredited)
Time Lord		Jack Horton (uncredited)
Time Lord		Martin Clark (uncredited)
Time Lord		Bob Hargreaves (uncredited)
Time Lord		Barry Butler (uncredited)
Court Guard		Oscar Peck (uncredited)
Court Guard		Gary Forecast (uncredited)
Court Guard		John Capper (uncredited)
Court Guard		Kevin O'Brian (uncredited)
Clerk of the Court		Ian Marshall-Fisher (uncredited)
Hyperion Crew		Quint Boa (uncredited)
Hyperion Crew		Richard Bonehill (uncredited)
Hyperion Crew		Paul Holmes (uncredited)
Hyperion Crew		John Constable (uncredited)
Hyperion Crew		Lea Derek (uncredited)
Hyperion Crew		Martin Hyder (uncredited)
Hyperion Crew		Barry Holland (uncredited)
Hyperion Crew		Robert Goodman (uncredited)
Hyperion Crew		John Small (uncredited)
Hyperion Crew		Maurice Iley (uncredited)
Hyperion Crew		Kevin Vaughan (uncredited)
Hyperion Crew		Jonny Lee-Harris (uncredited)
Hyperion Crew		Martin Clark (uncredited)
Hyperion Crew		Michael Summerfield (uncredited)
Hyperion Crew		Geoff Whitestone (uncredited)
Vervoid		Gess Whitfield (uncredited)
Vervoid		Paul Hillier (uncredited)
Vervoid		Bill Perrie (uncredited)
Vervoid		Jerry Manley (uncredited)

Production Team include uncredited
Writer		Pip Baker
Writer		Jane Baker
Director		Chris Clough
Producer		John Nathan-Turner
Designer		Dinah Walker
Costume Designer		Andrew Rose
Make-up Designer		Shaunna Harrison
Studio Lighting		Don Babbage
Studio Sound		Brian Clark
Vision Mixer		Shirley Coward
Videotape Editor		Hugh Parson
Technical Coordinator		Alan Arbuthnott
Camera Supervisor		Alec Wheal
Visual Effects Designer		Kevin Molloy
Video Effects		Danny Popkin
Production Assistant		Jane Wellesley
Assistant Floor Manager		Karen Little
Production Manager		Ian Fraser
Production Associate		June Collins
Production Associate		Jenny Doe
Incidental Music		Malcolm Clarke
Special Sound		Dick Mills
Special Sound		BBC Radiophonic Workshop

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The Trial of a Time Lord (Mindwarp)

The Trial of a Time Lord (The Ultimate Foe)