Life and career

He was born and raised in Brooklyn, New York, and graduated from Stuyvesant High School in Manhattan in 1998 with fellow actor Telly Leung. He has appeared as a series regular on Fox's The Sketch Show and Luis.

Barrett played the character "Dr. Lem Hewitt" on the ABC television show, Better Off Ted and was a supporting character in the Academy Award-winning The Hurt Locker.

Barrett has had recurring appearances on the New York-based Law & Order franchise. He was featured as a squatter and drug dealer in an episode of The Sopranos and also guest starred in the pilot episode of It's Always Sunny in Philadelphia, the series finale of The Office as one of Dunder/Mifflin's new employees, and in an episode of Monk as a lottery fanatic. He also had a small role in the movie Larry Crowne, as one of Tom Hanks' character's classmates. He has also appeared in several television commercials, including national spots for Hummer and AT&T. The AT&T spot, which features Barrett shooting baskets in a sports bar, received frequent airplay during the 2008 NCAA Men's Division I Basketball Tournament.

Barrett is a spoken word artist and hip hop performer who has recorded under the aliases "Tourette's," "Verbal," and "The Velvet Rope." He appeared on the 2002 EP Timber, by electronic recording artist and fellow Stuyvesant classmate M Pinto. He is currently working on his debut album entitled The Backpacker's Guide to the Galaxy.

Film

Year	Title	Role
2015	Addicted to Fresno	Eric
2014	Dear White People	Helmut West
2013	Orenthal: The Musical	Lawrence
2013	Tyler Perry Presents Peeples	Chris Walker
2012	Missed Connections	Jules Norris
2011	Larry Crowne	Dave Mack
2010	Mission: Rebound	Malcolm
2009	Imaginary Larry	Kenneth
2008	The Highs & Lows of Milo Brown	Milo Brown
2008	My Best Friend's Girl	Dwalu
2008	The Hurt Locker	Sergeant Foster
2008	American Violet	Byron Hill
2007	Love Conquers Al	Al
2003	The Forgotten	Anderson
2003	Rhythm of the Saints
2002	Swimfan	Jock
2000	King of the Jungle	Basketball Kid #2

Television

Year	Title	Role
2015	Key & Peele	Harassed passenger
2014	Garfunkel & Oates	Daniel
2013	The Soul Man	Bird
2013	The Office	Malcolm
2013	Walk This Way	Actor
2012	Zombie Murder Explosion Die!	Jack
2011	The Mentalist	Officer Price
2011	Raising Hope	Lamar
2011	Traffic Light	Pete
2011	Southland	Henry Watts
2010	The Good Guys	A/C
2009	Floored and Lifted	Malcolm
2009	Better Off Ted	Lem Hewitt
2009	The Movie Loft	Himself
2008	Monk	Malcolm O'Dwyer
2007	Psych	Wally
2007	Side Order of Life	Andy Ryan
2005	Ghost Whisperer	Dr. Jules Huffman
2005	It's Always Sunny in Philadelphia	Terrell
2004	The Big House	Martin
2003	Luis	TK
2002	Law & Order: Criminal Intent	Ahmal (as Malcolm I. Barrett)
2002	The Sopranos	Angelo Davis
2001-2002	Law & Order	Julian Zalak - Harry Johnson
2000	The Beat	Russell Lucas

[ Source: Wikipedia ]