Bill Paxton was 43 in U-571 when he played the character 'Lt. Cmdr. Mike Dahlgren'.
That was over 24 years ago in 2000.
In 2017 he died aged 61, starring in 85 films in his career, 35 of those after U-571 was first released. If he were alive today he would be 68.
In U-571, I think Bill Paxton looks: