sentences:  Walker has appeared in several cameo roles on stage and screen, including "Coronation Street", "Emmerdale", and alongside Robson Green in "Rhinoceros".He also regularly hosts events, and has appeared alongside 5ive and Steps at Wembley and the MEN Arena.In 2007 he became the Stadium Announcer at the Halliwell Jones Stadium, home of Warrington Wolves Rugby Club, having had previous experience of the role for Liverpool F.C.