Cast & crew
The Invincible Killer (1979)
Directed by Leong Sum
Cast
| Lee Sau-Kei | Chi Chi |
| Wong Man-Yee | |
| Eddy Ko Hung | |
| Cheng Kei-Ying | |
| Michael Chan Wai-Man | Chen |
| Tang Ching | |
| Lau Nga-Ying | |
| Terry Lau Wai-Yue | Hui Fei |
Crew
| Yang Pai Yung | Editor |
| Eddie H. Wang Chi-Ren | Original Music Composer |
| Leung Hung | Director of Photography |
| David Lo Kin-Ming | Art Direction |
| Hsing-Fan Lin | Producer |
| Tsan Fa Huo | Producer |
| Leong Sum | Director |