Donnie Yen's character watches the movie Túy Quyền (1978) on his TV which stars martial arts star Jackie Chan. Donnie starred with Jackie in Hiệp Sĩ Thượng Hải (2003).
All three actors who played the martial arts exponents killed by Fung (Baoqiang Wang) have appeared in Donnie Yen's "Ip Man" movie franchise. Louis Fan played Master Jin in "Ip Man" and "Ip Man 2"; Kang Yu played Master Tam in "Ip Man 3"; while Xing Yu played Jin in "Ip Man", and also appeared as Fu in the spin-off "Master Z: The Ip Man Legacy".