Stephen Dillane (born 1956) is an English actor from [[UsefulNotes/OneLondonThirtyThreeBoroughs Kensington]]. Initially, he studied history and political science at the University of Exeter, and then became a journalist, but he was unhappy in this profession. He then switched to acting and entered the Bristol Old Vic theatre school, and his acting career began in the late 1980s. Since then, he has not yet been a headline actor, but he has been in several movies, shows, and plays.

His best-known roles have been as UsefulNotes/ThomasJefferson on ''Series/JohnAdams'' and as Stannis Baratheon on ''Series/GameOfThrones'', both of which happen to be HBO series. Stephen Dillane and his partner, actress Naomi Wirthner, have two sons. One of them, FrankDillane, is also an actor.
* ''RemingtonSteele'' (1985) as Bradford Galt
* ''Film/TheSecretGarden'' (1987) as Captain Lennox
* ''The One Game'' (1988) as Nicholas Thorne
* ''{{Hamlet}}'' (1990 adaptation) as Horatio
* ''AngelsInAmerica'' (1993 production) as Prior Walter
* ''{{Hamlet}}'' (1994 production) as Hamlet
* ''Endgame'' by Samuel Beckett (1996 production) as Clov
* ''Two If by Sea'' (1996) as Evan Marsh
* ''Welcome to Sarajevo'' (1997) as Michael Henderson
* ''Firelight'' (1997) as Charles Godwin
* ''Uncle Vanya'' (1998 production)
* ''AnnaKarenina'' (2000 miniseries) as Karenin
* ''The Real Thing'' by Tom Stoppard (2000 production) as Henry (won a Tony)
* ''SpyGame'' (2001) as Charles Harker
* ''TheHours'' (2002) as Leonard Woolf
* ''KingArthur'' (2004) as Merlin
* ''The Greatest Game Ever Played'' (2005) as Harry Vardon
* ''Theatre/{{Macbeth}}'' (2005 one-man production)
* ''Series/JohnAdams'' (2008) as UsefulNotes/ThomasJefferson (nominated for an Emmy)
* ''The Shooting of Thomas Hurndall'' (2008) as Anthony Hurndall (won British Academy Television Award for Best Actor)
* ''44 Inch Chest'' (2009) as Mal
* ''[[MissMarple Marple: The Secret of Chimneys]]'' (2010) as Finch
* ''Series/GameOfThrones'' (2012+) as Stannis Baratheon
* ''Secret State'' (2012) as Paul J. Clark
* ''ZeroDarkThirty'' (2012) as John Brennan
* ''The Tunnel'' (2013) as Karl Roebuck
* FakeAmerican: As UsefulNotes/ThomasJefferson in ''Series/JohnAdams'' (though given that many Americans still had British accents back then, this is acceptable), and as BarackObama's national security adviser-turned-CIA director John Brennan in ''ZeroDarkThirty''.
* SpellMyNameWithAnS: In his first years acting, his name was often misspelled as "Stephen Dillon."