Christopher Lee was 79 in Star Wars: Episode II - Attack of the Clones when he played the character 'Count Dooku'.
That was over 22 years ago in 2002.
In 2015 he died aged 93, starring in 288 films in his career, 63 of those after Star Wars: Episode II - Attack of the Clones was first released. If he were alive today he would be 102.
In Star Wars: Episode II - Attack of the Clones, I think Christopher Lee looks: