David Jackson (15 July 1934 - 25 July 2005) was a British actor best known for his role as Olag Gan in Blake's 7's first two seasons and as Detective Constable Braithwaite in Z Cars from 1972-1978.
His other credits include The Saint, The Avengers, The Sweeney, Space: 1999, Minder, O nly Fools and Horses, Wyatt's Watchdogs, Edge of Darkness, Coronation Street and Lovejoy. In 2002, he provided his voice talent to the audio drama Sarah Jane Smith: Comeback, part of the Doctor Who audio spinoffs by Big Finish Productions. David was a science-fiction fan throughout his career and was happy to be associated with Blake's 7 years after the series ended. In 1988 he showed his considerable comic talent in playing the Vicar alongside Brian Wilde in six episodes of the BBC1 sitcom Wyatt's Watchdogs.
His great passion was for Victorian theatre and at one stage he produced and starred in a one-man show. David Jackson died of a heart attack on 25 July 2005, aged 71. He left behind his wife Anne and 19-year-old son Stuart.