That was over 15 years ago in 2006.
Today he is 58, and has starred in 69 movies in total, 30 since The Omen was released.
In The Omen, I think David Thewlis looks:
The Omen scores 5.2 out of 10 on The Movie Database.
David Thewlis' first acting role was as 'Joey' in Road, released in 1987 when he was 24.