First son of Joe Capstick, a wireless operator in the RAF, and his wife, June, née Duncan, he was born in Rotherham, West Riding of Yorkshire, England, and spent most of his childhood in Swinton, near Mexborough.
[2] Outside Sheffield, he is perhaps better known as one of the policemen in the long-running British sitcom, Last of the Summer Wine, where he played the role until his death in October 2003, with his final appearance on the show broadcast in April 2004.
[1] His recitation, "Capstick Comes Home", was based on the well-known Hovis wholemeal bread television commercials directed by Ridley Scott.
Capstick was also a prolific bit-part actor, with a career including minor roles in the soap operas Emmerdale and Coronation Street.
On 23 October 2003, Capstick was found dead at his cottage in Hoober, near Wentworth, South Yorkshire, he had suffered an aneurysm following a bout of pneumonia.