The 91-year-old acting legend had shared his love for the British monarchy, the late Queen Elizabeth II and King Charles, claiming it would be the wrong decision to get rid of the institution. The comments, published in Don’t Look Back, You’ll Trip Over: My Guide to Life, stand in stark contrast to fellow thespian Sir Ian McKellen’s recent criticism of the Royal Family. The intervention comes after McKellen branded the late Queen as “rude” and “quite mad” and suggested Prince Harry was “not bright enough” to cope with royal life. In his new book, co-written with journalist Matthew D’Ancona, Si…