Stephen Dillane (born 30 November 1956) is an English actor. He is best known for his roles as Leonard Woolf in the 2002 film The Hours, Stannis Baratheon in the HBO fantasy series Game of Thrones (2012–2015) and Thomas Jefferson in the HBO miniseries John Adams (2008), a part which earned him a Primetime Emmy nomination. He won a Tony Award for his lead performance in Tom Stoppard's play The Real Thing (2000).