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 Island (2009), and Dan Patch in The CW series Hellcats (2010–2011).

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