Born January 26 1955 in Taiwan under the name Suen Jianyuan Sun Chien Chinese 孫建 lost both parents while young and was brought up by his two sisters In 1976 director Chang Cheh was recruiting new stars in Taiwan for the movie Chinatown Kid Tae kwon do veteran Sun was selected among many competitors and was given the supporting role in the movie Sun since developed his career in Hong Kong notably as one of the 5 Venoms and signed as a contract actor with Shaw Brothers for eight years Being one of Changs Cohorts he often starred in the directors action and martial arts movies After Shaw Brothers ceased film production in 1986 to focus on TV projects Sun lent his talents to subpar cutandpaste productions for producer Tomas Tangs Filmark International In the early 90s he served as an action director and assistant director on several films before retiring in 1992