Seymour Cassel was 67 in Stuck on You when he played the character 'Morty O'Reilly'.
That was over 20 years ago in 2003.
In 2019 he died aged 84, starring in 159 films in his career, 42 of those after Stuck on You was first released. If he were alive today he would be 89.
In Stuck on You, I think Seymour Cassel looks: