Jason Scott Merrells (born 2 November 1968) is an English actor. He is best known for his roles as receptionist Matt Hawley in the BBC One medical drama series, "Casualty", from 1994 to 1997; stylist Gavin Ferraday in the BBC One hairdressing drama series, "Cutting It", from 2002 to 2005; Headteacher Jack Rimmer in the BBC One school-based drama series, "Waterloo Road", from 2006 to 2008; and Home Farm owner Declan Macey in the long-running ITV soap opera, "Emmerdale", from 2010 to 2014. More recently, he plays the role of Sir Charles Fraith in the comedy-drama series, "Agatha Raisin", from 2016 onwards.