Before deciding to pursue acting, Mackie studied to become an oil-refinery engineer at a New Orleans trade school
While studying at Juilliard, Mackie and his classmates frequently went into the subway on weekends to perform short scenes, poems and songs
Shared an Obie Award for Best Ensemble Performance with the cast of Talk in 2002
Made his big-screen debut as one of Eminem's rap rivals in the 2002 hip-hop drama 8 Mile
Broadway debut came in 2003, when he starred opposite Whoopi Goldberg in a revival of Ma Rainey's Black Bottom
Was nominated for Independent Spirit Awards for Best Debut Performance for Brother to Brother (2004) and Best Supporting Male for The Hurt Locker (2009)
Opened a bar in Brooklyn called NoBar in 2011
Awards
2021People's Choice Awards-Favorite Cable TV Actor:nominated
2009Screen Actors Guild Awards-Outstanding Performance by a Cast in a Motion Picture:nominated