ID Me: The Daredevils (1979)

http://hkmdb.com/db/movies/images.mhtml?id=6000&display_set=eng
Two listed cast members, Chan Fai-Kei and Chan Ng-Lung do not have IDs. In the movie, there are two guys sitting in a restaurant talking about Lo Meng's character. The main actors (Sun, Lu, Chiang and Phillip) ask them what happened to Lo Meng and they are told. Both these characters have multiple lines, so it makes sense that they might be in the credited cast. These are the two actors:
I know the first guy is in a ton of Shaw Brothers movies as an extra, and this is the first time I've seen him with a speaking role. He had more lines than the second. Could he be one of these two names?
Two listed cast members, Chan Fai-Kei and Chan Ng-Lung do not have IDs. In the movie, there are two guys sitting in a restaurant talking about Lo Meng's character. The main actors (Sun, Lu, Chiang and Phillip) ask them what happened to Lo Meng and they are told. Both these characters have multiple lines, so it makes sense that they might be in the credited cast. These are the two actors:


I know the first guy is in a ton of Shaw Brothers movies as an extra, and this is the first time I've seen him with a speaking role. He had more lines than the second. Could he be one of these two names?