That was over 16 years ago in 2005.
Today he is 78, and has starred in 119 movies in total, 34 since Wedding Crashers was released.
In Wedding Crashers, I think Christopher Walken looks:
Wedding Crashers scores 6.3 out of 10 on The Movie Database.
Christopher Walken's first acting role was as 'Nikanor "Nick" Chevotarevich' in The Deer Hunter, released in 1978 when he was 35.