Delphine Seyrig was 40 in The Day of the Jackal when she played the character 'Colette de Montpellier'.
That was over 51 years ago in 1973.
In 1990 she died aged just 58, starring in 70 films in her career, 45 of those after The Day of the Jackal was first released. If she were alive today she would be 92.
In The Day of the Jackal, I think Delphine Seyrig looks: