Dana Andrews was 37 in The Best Years of Our Lives when he played the character 'Fred Derry'.
That was over 77 years ago in 1946.
In 1992 he died aged 84, starring in 89 films in his career, 65 of those after The Best Years of Our Lives was first released. If he were alive today he would be 115.
In The Best Years of Our Lives, I think Dana Andrews looks: