Charles Grodin was 79 in While We're Young when he played the character 'Leslie Breitbart'.
That was over 9 years ago in 2015.
In 2021 he died aged 86, starring in 52 films in his career, 3 of those after While We're Young was first released. If he were alive today he would be 89.
In While We're Young, I think Charles Grodin looks: