Jean Reno was 28 in The Hypothesis of the Stolen Painting when he played the character 'Character of Paintings'.
That was over 46 years ago in 1978.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 75, and has starred in 90 movies in total, 88 of those since The Hypothesis of the Stolen Painting was released.
In The Hypothesis of the Stolen Painting, I think Jean Reno looks: