The filming of Hero involved many scenes in which marquee performers Jet Li, Tony Leung, and Maggie Cheung fight with hundreds fighting around them as a backdrop. Tony Ching Siu-tung, the Hong Kong action director in charge of the fight scenes, came to the job as a heavyweight director in his own right, and there were overtones of rivalry between him and Zhang, with whom he had never worked before.
《英雄》中許多大場面都要和主要演員李連杰、梁朝偉、張曼玉的打戲「雜」在一起，負責設計武俠動作的香港武術導演程小東在片場霸氣十足，兩人從沒合作過，有些英雄相爭的意味。