Romgguang Yu (Po Kwong) portrayed the titular character in the film "Iron Monkey" who helps tutor the young Wong Fei Hung; a character that co-star Jet Li would go on to make popular in the film series "Once upon a time in China."
Jet Li (Kung Wei) and Mo Tse (Johnny Kung) previously portrayed father and son in the 1994 film, "Legend of the Red Dragon"