Seymour Cassel was 24 in Murder, Inc. when he played the character 'Teenager'.
That was over 64 years ago in 1960.
In 2019 he died aged 84, starring in 159 films in his career, 157 of those after Murder, Inc. was first released. If he were alive today he would be 89.
In Murder, Inc., I think Seymour Cassel looks: