John Graham Davies is an actor and writer who played four roles in Coronation Street: * A Police Inspector who investigated Martin Platt and Jenny Bradley's car crash in 1987 * Det. Insp. Jordan who investigated the disappearance of Rita Fairclough in 1989 * A Police Sergeant in the programme's live fortieth anniversary episode in 2000 * The Judge presiding over Peter Barlow's trial for the murder of Tina McIntyre in October 2014.