That was over 23 years ago in 1998.
Today he is 60, and has starred in 32 movies in total, 16 since Mulan was released.
In Mulan, I think BD Wong looks:
Mulan scores 7.7 out of 10 on The Movie Database.
BD Wong's first acting role was as 'Ngawang Jigme' in Seven Years in Tibet, released in 1997 when he was 36.