Ahn Sung-ki
A Battle of Wits, also known as Battle of the Warriors, is a 2006 Hong Kong-Chinese action war drama film based on the Japanese historical novel (Rōmaji title: "Bokkō" or "Bokukō"; lit. "Mohist Attack") by Ken'ichi Sakemi, as well as the manga series "Bokko" by Hideki Mori. Directed by Jacob Cheung, the film starred Andy Lau, Ahn Sung-ki, Wang Zhiwen, Fan Bingbing, Nicky Wu and Choi Siwon. This was a joint-production between mainland China, Hong Kong, Japan and South Korea.