He became known for playing Count Dooku in Star Wars and Saruman in Lord of the Rings. Earlier in his career, he portrayed Count Dracula in Hammer Horror Films.
He made his acting debut in a school production of Rumpelstiltskin.
In 1998, he was in a movie in which he played Pakistan's founder, Muhammad-Ali Jinnah.
He acted alongside Viggo Mortensen in the Lord of the Rings Trilogy.