Harry Connick Jr. was 22 in Memphis Belle when he played the character 'Sgt. Clay Busby'.
That was over 34 years ago in 1990.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 56, and has starred in 49 movies in total, 48 of those since Memphis Belle was released.
In Memphis Belle, I think Harry Connick Jr. looks: