John Ritter was 41 in Problem Child 2 when he played the character 'Ben Healy'.
That was over 33 years ago in 1991.
In 2003 he died aged just 55, starring in 88 films in his career, 47 of those after Problem Child 2 was first released. If he were alive today he would be 75.
In Problem Child 2, I think John Ritter looks: