Jim Broadbent was 21 in The Go-Between when he played the character 'Spectator at Cricket Match (uncredited)'.
That was over 53 years ago in 1971.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 74, and has starred in 122 movies in total, 119 of those since The Go-Between was released.
In The Go-Between, I think Jim Broadbent looks: