James Smith is an English actor, best known for his role as Glenn Cullen in BBC's The Thick of It (2005-2012).
In 2010 Smith played Clive in all 12 episodes of the BBC comedy Grandma's House. He also took a supporting role as Lord Carrington in the 2011 film The Iron Lady. In 2014 he appeared in all 13 episodes of Boomers as Trevor.
He played Graham Watkins in the 2017 mockumentary, Carnage. In 2018, he played the principal role of Sidney Godolphin, 1st Earl of Godolphin in Yorgos Lanthimos's film The Favourite.
He is a Shareholder and Committee Member for London Metropolitan Bridge Association.