Mark Christopher Lawrence (born May 22, 1964) is an American character actor, stand-up comedian, and voice actor. He is best known for his role as the esoteric DJ Tone Deaf in the 1994 satirical rap mockumentary Fear of a Black Hat. He has appeared in such popular films as Terminator 2: Judgment Day, Planet of the Apes, The Lost Treasure, and The Pursuit of Happyness. Lawrence can currently be seen in his recurring role as Big Mike on the NBC series Chuck. He has appeared as a guest on many television programs, 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, and Martin. He also appears in the radio series Adventures in Odyssey as Ed Washington.

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