Mark Christopher Lawrence

Mark Christopher Lawrence (born May 22, 1964) is an American character actor, stand-up comedian and voice-over artist. He is known for his role as esoteric D.J. Tone Def in the 1994 satirical rap mockumentary Fear of a Black Hat. He has appeared in popular films such as Child's Play 3 (1991), Crimson Tide (1995), Sprung (1997), Garfield: The Movie (2004) and The Island (2005). Lawrence is best known for his role as Big Mike on the series Chuck. He has made guest appearances on many television programs, most notably Heroes, My Name Is Earl, Crossing Jordan, Dharma & Greg, Malcolm in the Middle, Touched by an Angel, Malcolm & Eddie, Men Behaving Badly, Seinfeld, Murphy Brown, Good Luck Charlie and Martin. He is also featured on the radio series Adventures in Odyssey as "Ed Washington".