In 1974, Minster appeared as Lieutenant Lightfoot in the Upstairs, Downstairs episode "Facing Fearful Odds".
He played the motorcyclist in the TV series The Long Chase. He also appeared twice in Doctor Who, as the Thal soldier Marat in Planet of the Daleks (1973) and as an unnamed Thal soldier who dangles Sarah Jane Smith from the rocket gantry in Genesis of the Daleks (1975) alongside fellow 'Allo 'Allo actor Guy Siner. This makes him one of the few Doctor Who actors to have played two characters from the same alien race. He also had a major part in another episode of a successful science fiction series playing Yagon in "Achilles Heel,' an episode of The Tomorrow People, in 1978.
He was a presenter and producer of Central Independent Television's flagship ethnic minorities current affairs programme Here and Now during the early 1980s.[4]
Minster provided the narration for the controversial Central television documentary The Men Who Killed Kennedy, which outlined various theories concerning the assassination of the American president John F. Kennedy.
Death
Minster died from cancer in London on 24 November 1999. His body was buried at Putney Vale Cemetery. The epitaph on the gravestone reads:
The noblest of men. He brought laughter to a million hearts. Loving father to Leo, Quona, Jack and Lyall. Beloved partner to Nicola. So sorely missed. My wonder.