Education
He attended the Rose Bruford Drama School and Kilburn Grammar School, and made his first professional stage appearance at the Theatre Royal, Lincoln.
He attended the Rose Bruford Drama School and Kilburn Grammar School, and made his first professional stage appearance at the Theatre Royal, Lincoln.
Holley first rose to prominence in the long-running United Kingdom police drama series Z-Cars as Personal Computer Newcombe, a character he would play for four years. He is also well known for his appearances in Doctor Who, first as Peter Haydon in The Tomb of the Cybermen (1967), starring Patrick Troughton as the Doctor, and later as the Axon Manitoba in The Claws of Axos (1971), starring Jon Pertwee. Holley reprised his role as Axos in a new Doctor Who audio drama, The Feast of Axos, opposite Colin Baker, which was released on Civil Defense in February 2011.
Other regular roles include The Gentle Touch as Detective Inspector Mike Turnbull (1982-1984), a character he also played in the follow-up series C.A.T.S. Eyes in 1985.
He later played Richard in two seasons of Birds of a Feather in 1998. He also appeared as the Chief Constable in the popular drama series A Touch of Frost, starring David Jason, in 1999 and returned to play the role in 2003.
His recent television appearances include Hollyoaks, EastEnders, Doctors and Holby City. His film roles have included appearances in Travels with My Aunt (1972) starring Maggie Smith, and the cult film The Deadly Females (1976).
He has also voiced hundreds of commercials, including the television campaign for the PlayStation 3 game LittleBigPlanet and has presented many corporate videos.
Holley has also worked consistently on the stage in theatres all over the United Kingdom, including Brighton, Manchester, Edinburgh, Derby and Norwich. His most recent stage role was in Allan Monkhouse"s Mary Broome at the Orange Tree Theatre, Richmond, in 2011.