Robert Stack was 59 in 1941 when he played the character 'Maj. Gen. Joseph W. Stilwell'.
That was over 44 years ago in 1979.
In 2003 he died aged 84, starring in 69 films in his career, 21 of those after 1941 was first released. If he were alive today he would be 105.
In 1941, I think Robert Stack looks: