Robin Williams was 62 in Absolutely Anything when he played the character 'Dennis the Dog (voice)'.
That was over 9 years ago in 2015.
In 2014 he died aged 63, starring in 158 films in his career, 9 of those after Absolutely Anything was first released. If he were alive today he would be 72.
In Absolutely Anything, I think Robin Williams looks: