That was over 40 years ago in 1980.
Today he is 65, and has starred in 121 movies in total, 113 since Heaven's Gate was released.
In Heaven's Gate, I think Willem Dafoe looks:
Heaven's Gate scores 6.5 out of 10 on The Movie Database.
Willem Dafoe's first acting role was as 'Willy (uncredited)' in Heaven's Gate, released in 1980 when he was 25.