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Mark Horowitz is an American television producer and director. He has produced and directed for JAG, NCIS,^[1] and Doogie Howser, M.D.^[2]

^ Yang, Rachel. "‘NCIS’ Renewed for Season 17 at CBS", Variety, April 11, 2019.
^ Frym, Michael. "Doogie Howser, M.D.", Daily Variety, January 18, 1993, in Variety and Daily Variety Television Reviews, 1993-1994 (volume 18), Taylor & Francis, 1996, ISBN 0824037979.