Sir Ian McKellen.Dave Benett/Getty ImagesSir Ian McKellen did not hold back while giving his thoughts on the British royal family.Speaking to The Times of London, McKellen called the late Queen "quite rude."He also said that Prince Harry was "probably not bright enough" to have survived royal life.Sir Ian McKellen has said that the late Queen Elizabeth II was "quite rude" and that he was on Prince Harry's side in the current royal rift — despite also taking a swipe at the duke.Speaking to The Times of London, the 85-year-old British actor described a previous encounter with the monarch."On the few occasions I met her she was quite rude," the "Lord of the Rings" star said, adding that he thought she was "quite mad at the end.""When I received a medal for acting, she said, 'You've been doing this for an awfully long time.' I said, 'Well, not as long as you,'" he continued.