David "Sully" Sullivan (born April 29, 1977 in Tyler, Texas) is an American film and television actor.
Sullivan was born in Tyler, Texas and grew up in Longview, and attended Spring Hill Schools where he graduated in 1996. He went on to attend Baylor University and majored in marketing and corporate communications, graduating in 2000. During college, he was a member of Delta Tau Delta Fraternity, and played one year of football and two years of soccer.
David starred as "Abe" in the 2004 independent film Primer, which won the Grand Jury Prize at the 2004 Sundance Film Festival. The movie was filmed in Dallas in 2001, but spent two years in editing and post-production. Since the debut of Primer, Sullivan has moved to Los Angeles to pursue a career as an actor. He has appeared in several television shows including Joey, Justified, Big Love, Boston Legal and filmed several movies. In August 2010 he filmed the independent comedy-drama, The Misadventures of Ben Banks.