Donnie Yen wasn't cast in Ip Man.
In 2010, still fresh off Ip Man 2, Yen was cast as Chen Zhen in Legend of the Fist: The Return of Chen Zhen, which was originally portrayed by Bruce Lee
Donnie Yen Ji-dan (Chinese: ; pinyin: Zhn Zdn; born 27 July 1963) is a Hong Kong actor, martial artist, and action director

