Charles Napier was 31 in The House Near the Prado when he played an uncredited character.
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).
In 2011 he died aged 75, starring in 111 films in his career, 110 of those after The House Near the Prado was first released. If he were alive today he would be 87.
In The House Near the Prado, I think Charles Napier looks: