That was over 14 years ago in 2007.
Today she is 60, and has starred in 83 movies in total, 39 since Michael Clayton was released.
In Michael Clayton, I think Tilda Swinton looks:
Michael Clayton scores 6.6 out of 10 on The Movie Database.
Tilda Swinton's first acting role was as 'Sally' in Egomania: Island Without Hope, released in 1986 when she was 25.