Oliver Reed was 16 in Value for Money when he played the character 'Extra (uncredited)'.
That was over 69 years ago in 1955.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1999 he died aged 61, starring in 113 films in his career, 111 of those after Value for Money was first released. If he were alive today he would be 86.
In Value for Money, I think Oliver Reed looks: