Sterling Hayden was 55 in The Godfather when he played the character 'Capt. Mark McCluskey'.
That was over 52 years ago in 1972.
In 1986 he died aged 70, starring in 68 films in his career, 21 of those after The Godfather was first released. If he were alive today he would be 108.
In The Godfather, I think Sterling Hayden looks: