That was over 35 years ago in 1986.
Today she is 65, and has starred in 28 movies in total, 23 since The Fly was released.
In The Fly, I think Geena Davis looks:
The Fly scores 7.2 out of 10 on The Movie Database.
Geena Davis' first acting role was as 'April' in Tootsie, released in 1982 when she was 26.