Jerry Stiller was 79 in The Heartbreak Kid when he played the character 'Doc'.
That was over 17 years ago in 2007.
In 2020 he died aged 92, starring in 56 films in his career, 10 of those after The Heartbreak Kid was first released. If he were alive today he would be 96.
In The Heartbreak Kid, I think Jerry Stiller looks: