Cause: The Birth of Hero 21 years old

The movie follows director Zhang Yimou as he is preparing to make the movie Hero.

Credits

Name	Character
Donnie Yen He was 39, now 60 years old	as Himself
Jet Li He was 39, now 60 years old	as Himself
Zhang Ziyi She was 23, now 45 years old	as Herself
Zhang Yimou He was 52, now 73 years old	as Himself
Maggie Cheung She was 38, now 59 years old	as Herself
Tony Leung Chiu-Wai He was 40, now 61 years old	as Himself

Name	Department