Matt Barr is an American actor. His Hollywood career started in the 2000s. His early works include guest appearances in various shows. His first starring role was in the movie American Pie Presents: Band Camp. On television, his first recurring part was in Commander in Chief. He then gained attention for his role as Ian “Psycho Derek” Banks in One Tree Hill. He later starred Christopher “Sully” Sullivan in the miniseries Harper’s Island. From 2010 to 2011, he starred as Dan Patch in the short-lived series Hellcats. This was followed by his performance as Nick Hawley in Sleepy Hollow. As of 2017, he stars as Captain Leland Gallo in Valor. He also starred in the comedy film The Layover.