He has had several major roles, including Chaff in Hunger Games: Catching Fire (2013), Detective Sergeant Morris in American Woman (2018), and Paul on The Walking Dead; as well as television roles on The Shield, One Tree Hill,[1] and as Carlton Pettiway on The Quad.

Mitchell later studied at Alliance Theatre Professional Actor Internship and earned a Master of Fine Arts from City University of New York's Brooklyn campus in 1999.

In 2000, he portrayed the character Aaron in the film The Legend of Bagger Vance, featuring Will Smith, Charlize Theron and Matt Damon.

[3] In 2017, he appeared as Agent Craig McCall in the autobiographical drama film American Made, featuring Tom Cruise, Domhnall Gleeson, Sarah Wright, Jesse Plemmons, Jayma Mays and Alejandro Edda, which is distributed by Universal Pictures and directed by Doug Liman.

He has also made guest appearances on several television shows, including NCIS, House of Payne, Past Life, Nashville, Drop Dead Diva, The Rickey Smiley Show, Being Mary Jane, Survivor's Remorse, and Powers.