Matthew Jerome Barr (born February 14, 1984) is an American actor, best-known as Johnson "Johnse" Hatfield in Hatfields & McCoys (2012), Danny McNamara in the CBS/Paramount+ action–adventure television series Blood & Treasure (2019–2022), and Hoyt Rawlins in Walker (2021–2024) and its prequel Walker: Independence (2022–2023). Barr also played Mike Fleming in Commander in Chief (2005), Ian Banks in One Tree Hill (2006–2007), Christopher Sullivan in the mystery-horror limited series Harper's Isla...