Carl Winston Lumbly (born August 14, 1951) is an American actor. He is known for his role as television's first brown superhero in M.A.N.T.I.S., Dick Hallorann in Doctor Sleep, NYPD detective Marcus Petrie on the CBS police drama Cagney & Lacey, CIA agent Marcus Dixon on the ABC espionage drama series Alias, and as the voice of J'onn J'onnz /...