Anton Yelchin was 21 in The Beaver when he played the character 'Porter Black'.
That was over 12 years ago in 2011.
In 2016 he died aged just 27, starring in 52 films in his career, 31 of those after The Beaver was first released. If he were alive today he would be 33.
In The Beaver, I think Anton Yelchin looks: