①Hung Tin Ming, the eldest son of Sammo Hung, plays a disciple who betrays Sammo Hung, and the two of them "turn against each other" in the movie, with a lot of fighting scenes. Hong Jinbao and Hong Tianming both said that the shooting will be strictly in accordance with the requirements of the script and the director to do .

②The film is Kago Aayi's first comeback to acting, but also for the first time in an action movie.

③The film is Wu Jianfei's first movie, both nervous and excited. Especially the first day into the crew, 12 o'clock in the middle of the night, Wu Jianfei arrived at the destination directly dragged the luggage to the crew to report, and has been shot to the next morning at 7:00 or 8:00 o'clock before wrapping up .