That was over 38 years ago in 1983.
Today he is 78, and has starred in 119 movies in total, 101 since The Dead Zone was released.
In The Dead Zone, I think Christopher Walken looks:
The Dead Zone scores 6.9 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.