Warren Oates was 52 in Stripes when he played the character 'Sgt. Hulka'.
That was over 43 years ago in 1981.
In 1982 he died aged just 53, starring in 58 films in his career, 5 of those after Stripes was first released. If he were alive today he would be 95.
In Stripes, I think Warren Oates looks: