That was over 24 years ago in 1997.
Today he is 66, and has starred in 101 movies in total, 61 since Flubber was released.
In Flubber, I think Christopher McDonald looks:
Flubber scores 5.4 out of 10 on The Movie Database.
Christopher McDonald's first acting role was as 'Pete' in The Hearse, released in 1980 when he was 25.