Donnie Yen as Sun Wukong / Monkey King

Chow Yun-Fat as Jade Emperor

Aaron Kwok as Buffalo Demon King

Peter Ho as Erlangshen

Hai Yitian as Master Subhuti

Kelly Chen as Goddess of Mercy / Guanyin

Calvin Cheng as Nezha

Eddie Cheung Siu-Fai as Heavenly King (as Siu-Fai Cheung)

Kei Gambit as Sun Wukong (voice: English version)

Lo Chung-Him as Sha Wujing (as Chung Him Law)

Xia Zitong as Ruxue

Zhang Zilin as Goddess Nu Wa