John Cleese was 27 in Interlude when he played the character 'Television public relations man'.
That was over 56 years ago in 1968.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 84, and has starred in 161 movies in total, 158 of those since Interlude was released.
In Interlude, I think John Cleese looks: