Paul Freeman was 31 in Whose Child Am I? when he played the character 'Paul Martin'.
That was over 48 years ago in 1976.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 81, and has starred in 60 movies in total, 60 of those since Whose Child Am I? was released.
In Whose Child Am I?, I think Paul Freeman looks: