hd.thomson-multimediaDocteur Who The Trial of a Time Lord: Part Twelve (1963–1989) watch online HD
- Original title:The Trial of a Time Lord: Part Twelve
- Category:TV Episode / Adventure / Drama / Family / Sci-Fi
- Released:1963–1989
- Director:Chris Clough
- Actors:Colin Baker,Bonnie Langford,Michael Jayston
- Writer:Pip Baker,Jane Baker
- Duration:25min
- Video type:TV Episode
- Rating 6.9
- Votes 671
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Short summary
With factions vying for control of the ship, the Vervoids are found to be responsible for the many disappearances. Only the Doctor sees the fundamental but missed point as to why they can't be reasoned with or why they can't be allowed to arrive on Earth.
This episode was watched by 5.2 million viewers on its original transmission.
| Episode complete credited cast: | |||
 | Colin Baker | - | The Doctor |
 | Bonnie Langford | - | Melanie |
 | Michael Jayston | - | The Valeyard |
 | Lynda Bellingham | - | The Inquisitor |
 | Honor Blackman | - | Professor Lasky |
 | Michael Craig | - | Commodore |
 | Denys Hawthorne | - | Rudge |
| Yolande Palfrey | - | Janet |
 | Malcolm Tierney | - | Doland |
| David Allister | - | Bruchner |
| Sam Howard | - | Atza |
| Leon Davis | - | Ortezo |
| Peppi Borza | - | First Vervoid |
| Bob Appleby | - | Second Vervoid |
| Barbara Ward | - | Ruth Baxter |