Colin Prockter (born 4th June, 1946) is an actor and TV writer who has played four roles in Coronation Street: * Solicitor John Halpern in September 1992 and January 1993. * Newton & Ridley relief manager Rodney Bostock from February to November 1995. * Butcher Eddie Maddocks from June to August 2005. * Adrian Clarkson, an old university friend of Ken Barlow in July 2008. Prockter also co-wrote TV series Luna in the mid-1980s alongside Colin Bennett.