Edward Maurice Charles Marsan (born 9 June 1968) is an English actor. He won the London Film Critics Circle Award and National Society of Film Critics Award for Best Supporting Actor for the film Happy-Go-Lucky in 2008.

He has appeared in Gangster No. 1 (2000), "Ultimate Force” (2002), Mission: Impossible III (2006), Sixty Six (2006), V for Vendetta (2006), Hancock (2008), Sherlock Holmes (2009), War Horse (2011), Sherlock Holmes: A Game of Shadows (2011), The Best of Men (2012), and The World's End (2013). He also appears in Showtime's TV series Ray Donovan (2013) as Terry, and as Mr Norrell in the BBC drama Jonathan Strange & Mr Norrell (2015).