Honor Blackman was 36 in Jason and the Argonauts when she played the character 'Hera'.
That was over 61 years ago in 1963.
In 2020 she died aged 94, starring in 63 films in her career, 40 of those after Jason and the Argonauts was first released. If she were alive today she would be 98.
In Jason and the Argonauts, I think Honor Blackman looks: