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 (2013-17), 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).