Eamonn Roderique Walker (born 12 June 1962) is an English actor. On television, he began in the BBC sitcom In Sickness and in Health (1985โ1987), the ITV crime dramas The Bill (1988โ1989) and Supply & Demand (1998), and the HBO series Oz (1997โ2003), for which he won a CableACE Award.