Irene Papas was 33 in The Guns of Navarone when she played the character 'Maria Pappadimos'.
That was over 63 years ago in 1961.
In 2022 she died aged 96, starring in 65 films in her career, 52 of those after The Guns of Navarone was first released. If she were alive today she would be 97.
In The Guns of Navarone, I think Irene Papas looks: