Ted Danson was 30 in The Onion Field when he played the character 'Ian Campbell'.
That was over 45 years ago in 1979.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 76, and has starred in 59 movies in total, 58 of those since The Onion Field was released.
In The Onion Field, I think Ted Danson looks: