A graceful leading lady of British and American film for over six decades, Jean Simmons was an Oscar-winning actress whose outward fragility belied an emotional power wielded with skill and precision in such film as “Great Expectations” (1946), “Hamlet” (1948), “Spartacus” (1960) and countless others. A novice when she made her debut in 1943, she quickly blossomed into a talented dramatic performer under the direction of such noted filmmakers as David Lean. After leaving the UK for America, she starred in a wide variety of features, ranging from musicals like “Guys and Dolls” (1956) to stark