Three of the principal cast members appeared in Chow's "Kung Fu Hustle": Danny Chan Kwok-kwan (Empty Hand) portrayed "Brother Sum", boss of the "Axe Gang"; Tin Kai-man (Iron Shirt) portrayed the loud-mouthed "advisor" of Brother Sum; and Lam Chi-chung (Light Weight) portrayed "Bone", Chow's sidekick and partner in petty crime.