Richard Griffiths was 54 in Harry Potter and the Chamber of Secrets when he played the character 'Vernon Dursley'.
That was over 22 years ago in 2002.
In 2013 he died aged 65, starring in 57 films in his career, 21 of those after Harry Potter and the Chamber of Secrets was first released. If he were alive today he would be 76.
In Harry Potter and the Chamber of Secrets, I think Richard Griffiths looks: