Andrew Buchan (born 19 February 1979) is an English stage and television actor known for his roles as Mark Latimer in the ITV drama Broadchurch (2013-15), as Scott Foster in the BBC political drama Party Animals (2007), as John Mercer in ITV drama series The Fixer (2008–09), and as William Garrow in BBC period drama Garrow's Law (2009–11).