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.
Liu Ye
Lao San / Wang Tao
Steve Yoo
Blackie Hei Yong
Zhang Zilin
Han Xiao Hui
Vincent Chiao En-chun
Chief Han
Liu Hailong
Fatty/ Er Pang
Xu Dongmei
Professor
Alan Ng Wing-Lun
Bin Zi
Du Yuming
Brother Hui
Zhang Lu
Xiao Yong
He Yongsheng
Director of police
Zhan Shi-Bao
Da Zhang
Louis Keung Kwok-Wah
Giant Lu
