Sandra Oh was 21 in The Diary of Evelyn Lau when she played the character 'Evelyn Lau'.
That was over 30 years ago in 1994.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 52, and has starred in 56 movies in total, 52 of those since The Diary of Evelyn Lau was released.
In The Diary of Evelyn Lau, I think Sandra Oh looks: