Knockabout (1979)

After being cheated out of some money, two small time crooks convince a martial arts expert to take them on as students.
Sammo Hung, Sammo Hung, Wellson Chin Sing-Wai, Chu Yat-Hung
Yuen Biao, Sammo Hung, Lau Kar-Wing, Leung Kar-yan, Karl Maka, Lee Hoi-Sang, Mars, Lau Tin-Chi, Lam Ching-Ying, Wang Kuang-Yu, Peter Chan Lung, Tai San, Ho Pak-Kwong, Paul Chung Fat, Billy Chan, Yuen Miu, Johnny Cheung Wa, Richard Yuen Tak, Yue Tau-Wan, Cheung Hei, Benz Kong To-Hoi, Wellson Chin Sing-Wai, To Wai-Wo, Chow Gam-Kong, Hui Ying-Ying, Ho Lai-Nam, Joseph Yeung Sai-Gwan, Law Keung, Lung Ying, Nam Wai, So Hon-Sang, Chan Ming-Wai, Chan Leung, Lai Kim-Hung, Siu Tak-Foo, Ka Lee, Chan Ling-Wai, Sham Chin-Bo, Chia-Chen Tu, Lee Chi-Kit
tt0080166