Warlock is a 1989 American supernatural horror film directed by Steve Miner and written by David Twohy. Julian Sands stars as the title character, a son of Satan who travels from the late 17th century to the modern era with the mission of destroying the world. Lori Singer and Richard E. Grant co-star as a 20th-century woman and a 17th-century witch-hunter attempting to stop him.

Julian Richard Morley Sands was an English actor. His break-out role was as George Emerson in A Room with a View (1985), and he also appeared in The Killing Fields (1984), Gothic (1986), Warlock (1989), Arachnophobia (1990), Naked Lunch (1991), Boxing Helena (1993), Leaving Las Vegas (1995),The Medallion (2003), Ocean's Thirteen (2007) and The Girl with the Dragon Tattoo (2011). On television, he portrayed Nick Hardaway in Rose Red (2002), Vladimir Bierko in 24 (2006), Jor-El in Smallville (2009–2010) and voiced Valmont in Jackie Chan Adventures (2000–2002).