Lao San, is a retired Marine veteran who lives in his world of innocence and optimism due to a brain injury. He assumes the role of a dedicated vigilante and fights people whom he considers bad.
Ding ShengDirector
Lao San / Wang Tao
Blackie Hei Yong
Han Xiao Hui
Chief Han
Fatty/ Er Pang
Professor
Bin Zi
Brother Hui
Xiao Yong
Director of police
Da Zhang
Giant Lu
Bank Manager Dou
Car thief
Part of
Includes: The Underdog Knight, Underdog Knight 2
