Christopher Plummer was 81 in The Girl with the Dragon Tattoo when he played the character 'Henrik Vanger'.
That was over 12 years ago in 2011.
In 2021 he died aged 91, starring in 176 films in his career, 29 of those after The Girl with the Dragon Tattoo was first released. If he were alive today he would be 94.
In The Girl with the Dragon Tattoo, I think Christopher Plummer looks: