That was over 28 years ago in 1993.
Today he is 70, and has starred in 88 movies in total, 58 since Groundhog Day was released.
In Groundhog Day, I think Bill Murray looks:
Groundhog Day scores 7.5 out of 10 on The Movie Database.
Bill Murray's first acting role was as 'Nick Kessel (uncredited)' in Next Stop, Greenwich Village, released in 1976 when he was 25.