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RADIO TIMES: As a result of Blake's abortive attack on the Federation's main control centre, a court martial is convened in Space Command Headquarters. On the Liberator Blake prepares to desert his crew...

Broadcast: Tuesday 13th February, 1979: 7.15pm - 8.10pm, BBC 1

Writer: Chris Boucher

Director: Derek Martinus

"I was an instrument of the service. So if I'm guilty of murder, of mass murder, then so are all of you!" Travis



Samor - John Savident

Bercol - John Bryans

Rontane - Peter Miles

Thania - Victoria Fairbrother

Zil - Claire Lewis

Par - Kevin Lloyd

Lye - Graham Sinclair

Guard Commander - Colin Dunn





Production Assistant - Jackie Willows, Pauline Smithson

Production Unit Manager - Sheelagh Rees

Film Cameraman - Max Samett

Film Recordist - John Gatland

Film Editor - Sheila S. Tomlinson

Series Videotape Editors - Sam Upton (Uncredited), Malcolm Banthorpe (Uncredited)

Visual Effects Designer - Mat Irvine, Peter Pegrum, Andrew Lazell

Electronic Effects - A.J. Mitchell

Studio Lighting - Brian Clemett

Studio Sound - Malcolm Johnson

Special Sound - Richard Yeoman-Clark

Costume Designer - Barbara Kidd

Make Up Artist - Ann Ailes

Music By - Dudley Simpson

Series Created By - Terry Nation




  • Trial was written by Chris Boucher and directed by Derek Martinus (who had directed any episodes of Doctor Who). 


  • The working title for Trial was ‘Travis’. The script was commissioned in early 1978. The first draft took 3 weeks to complete, was written in long-hand by Boucher & typed up by his wife


  • The episode was originally Episode 7 but was moved back to Episode 6 after Pip & Jane Baker's 'Death-Squad' was abandoned.


  • Peter Miles (Rontane) and John Bryans (Bercol) returned from Seek-Locate-Destroy in Series A.


  • John Savident played Samor & would return in Series D. Savident later became a regular in Coronation Street as Fred Elliott.


  • Kevin Lloyd played Trooper Par and went on to find fame in the Bill.


  • Filming for the scenes on the alien planet took place at the Royal Alexandra and Albert School at Merstham in Surrey. Gareth Thomas & Claire Lewis (Zil) were required for location filming from Monday 13 November to Tuesday 14 November 1978.


  • New model filming was required for the sequence of the Liberator’s attack on Space Command HQ.


  • Studio recording took place in TC6 from Thurs 28 to Friday 29 December, 1978. Not all footage was recorded and a remount was needed in the next recording block on Wed 10 Jan 1979.


  • Dudley Simpson’s incidental music was recorded on Monday 15 January, 1979.


Please click on the image for larger view and details. (As soon as we get some!)



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