Bill Paterson was 28 in The Cheviot, the Stag and the Black, Black Oil when he played the character 'Various'.
That was over 49 years ago in 1974.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 77, and has starred in 84 movies in total, 83 of those since The Cheviot, the Stag and the Black, Black Oil was released.
In The Cheviot, the Stag and the Black, Black Oil, I think Bill Paterson looks: