Christopher Chace Crawford (born July 18, 1985), known professionally as Chace Crawford, is an American actor, known for his portrayal of Nate Archibald on The CW's teen drama series Gossip Girl (2007–12). He is also known for starring in the films The Covenant (2006), The Haunting of Molly Hartley (2008), Twelve (2010), and What to Expect When You're Expecting (2012). He currently portrays Billy LeFever in ABC's primetime soap opera Blood & Oil.