Christopher Lee was 85 in Star Wars: The Clone Wars when he played the character 'Count Dooku (voice)'.
That was over 16 years ago in 2008.
In 2015 he died aged 93, starring in 288 films in his career, 37 of those after Star Wars: The Clone Wars was first released. If he were alive today he would be 102.
In Star Wars: The Clone Wars, I think Christopher Lee looks: