- Matt made his television debut on an episode of ER in 2004.
- He was at the The Consulate General of Italy celebrate Fashion and Society Discovering Emilia Romagna with Lindsay Gareth.
- He is appears in the 2008 movies Open Your Eyes and The House Bunny.
- Matt Barr is an Aquarius.
- Matt Barr stars with Tom Sizemore in the movie Protecting the King.
- Matt Barr was active in the theater department in his high school.
- Matt Barr attended Allen High School.
- Matt made his film debut in the year 2003 in the movie Levelland as Zach Stanley.
- He worked with Danneel Harris and Elisabeth Harnois in Ten Inch Heroes before getting the role of Derek in One Tree Hill.
- Matt starred as Brandon Vandecamp, in American Pie Presents: Band Camp, released in 2005.
- Matt's natural hair color is blonde, and his natural eye color is green.
- Matt starred in two 2007 movies, named Ten Inch Hero, and The Head Hunter.
- Matt is 6'1" and weighs 175 pounds.
- Matt was cast to play Peyton's stalker/brother in the 4th Season of One Tree Hill.