Philip Seymour Hoffman was 46 in The Hunger Games: Mockingjay - Part 1 when he played the character 'Plutarch Heavensbee'.
That was over 9 years ago in 2014.
In 2014 he died aged just 46, starring in 71 films in his career, 2 of those after The Hunger Games: Mockingjay - Part 1 was first released. If he were alive today he would be 56.
In The Hunger Games: Mockingjay - Part 1, I think Philip Seymour Hoffman looks: