Eli Wallach was 49 in How to Steal a Million when he played the character 'Davis Leland'.
That was over 58 years ago in 1966.
In 2014 he died aged 98, starring in 135 films in his career, 117 of those after How to Steal a Million was first released. If he were alive today he would be 108.
In How to Steal a Million, I think Eli Wallach looks: