That was over 22 years ago in 1999.
Today he is 91, and has starred in 150 movies in total, 60 since The Insider was released.
In The Insider, I think Christopher Plummer looks:
The Insider scores 7.4 out of 10 on The Movie Database.
Christopher Plummer's first acting role was as 'Walt Murdock' in Wind Across the Everglades, released in 1958 when he was 28.