That was over 25 years ago in 1997.
Today he is 63, and has starred in 90 movies in total, 64 since Flubber was released.
In Flubber, I think Clancy Brown looks:
Flubber scores 5.4 out of 10 on The Movie Database.
Clancy Brown's first acting role was as 'Viking Lofgren' in Bad Boys, released in 1983 when he was 24.