Another page on IMDB has him listed as Kuan-Wu Lung: nm0519066
Birthday
Place of birth
Also Known As
Mark Lung Goon-Mo, Mark Lung Koon-Mo, 龍冠武, Kuan-Wu Lung, Ching-fa Liu, Guanwu Long, Jack Long, Mark Long, Jack Lung, Kuan-wu Lung, Mark Lung, Chiang Wang