Chow Yun-Fat has joined the cast of 20th Century Fox's live-action adaptation of "Dragonball" reports Reuters.

The film, directed by James Wong, follows Goku (Justin Chatwin), a warrior alien who protects the Earth from an endless stream of rogues bent on dominating the universe and controlling mystical objects known as Dragon Balls.

Chow will play Master Roshi, Goku's mentor who helps him achieve the highest state of fighting and spiritual powers.

James Marsters, Emmy Rossum and Jamie Chung also star, whilst "Dragonball" is shooting in Mexico City and Los Angeles.