That was over 20 years ago in 2001.
Today he is 80, and has starred in 67 movies in total, 27 since Original Sin was released.
In Original Sin, I think Jack Thompson looks:
Original Sin scores 5.8 out of 10 on The Movie Database.
Jack Thompson's first acting role was as 'Tony Petersen' in Petersen, released in 1974 when he was 33.