Frank Welker was 22 in The Trouble with Girls when he played the character 'Rutgers'.
That was over 55 years ago in 1969.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 78, and has starred in 386 movies in total, 385 of those since The Trouble with Girls was released.
In The Trouble with Girls, I think Frank Welker looks: