Dutton had a minor role in Soldier Soldier playing Donna Tucker's tutor and lover (4 episodes, 1994). He had a recurring role in the television series Ally McBeal as Brian Selig, a love interest of the title character. He also starred in the short-lived but critically acclaimed sitcom about the Pilgrims in Plymouth Colony, Thanks which Entertainment Weekly called "the funniest new sitcom of the [1999–2000] season." He made an appearance in the Press Gang episode "Chance is a Fine Thing" as Clark Kent, Judy's jealous boyfriend.
Dutton has appeared on stage, in film, and in television series. Among the films are Darkness Falls (1999), The Bourne Identity (2002), and The Detonator. He starred in the movie Tom & Viv (1994) as Maurice Haigh-Wood.
Dutton made a major stage appearance in 2014 in Headlong's production of 1984 directed by Robert Icke, at the Almeida and later in the West End. He played the false friend and Party apparatchik, O'Brien.
