Duvall began appearing in theatre during the late 1950s, moving into television and film roles during the early 1960s, playing Boo Radley in To Kill a Mockingbird (1962) and appearing in Captain Newman, M.D. (1963). (1970) and the lead role in THX 1138 (1971), as well as Horton Foote\'s adaptation of William Faulkner\'s Tomorrow (1972), which was developed at The Actors Studio and is Duvall\'s personal favorite. This was followed by a series of critically lauded performances in commercially successful films.\n', '
Since then, Duvall has continued to act in both film and television with such productions as Tender Mercies (1983), The Natural (1984), Colors (1988), the television miniseries Lonesome Dove (1989), Stalin (1992), The Man Who Captured Eichmann (1996), Phenomenon (1996), A Family Thing (1996), The Apostle (1997), A Civil Action (1998), Deep Impact (1998), Gone in 60 Seconds (2000), Open Range (2003), Gods and Generals (2003), Secondhand Lions (2003), Broken Trail (2006), Get Low (2010), Jack Reacher (2012), A Night in Old Mexico (2014), The Judge (2014), and Wild Horses (2015).\n', '
Duvall was born January 5, 1931, in San Diego, California, the son of Mildred Virginia (née Hart; 1901–c. 1985), an amateur actress, and William Howard Duvall (1904–1984), a Virginia-born U.S. Navy admiral. He has English, and smaller amounts of Belgian, French Huguenot, German, Scottish, Swiss-German, and Welsh ancestry. His mother was a relative of American Civil War General Robert E. Lee, and a member of the Lee Family of Virginia, while his father was a descendant of settler Mareen Duvall. Duvall was raised in the Christian Science religion and has stated that, while it is his belief, he does not attend church. He grew up primarily in Annapolis, Maryland, site of the United States Naval Academy. He recalled: "I was a Navy brat. My father started at the Academy when he was 16, made captain at 39 and retired as a rear admiral." He attended Severn School in Severna Park, Maryland, and The Principia in St. Louis, Missouri. He graduated, in 1953, from Principia College in Elsah, Illinois, with a Bachelor of Arts degree in Drama.\n', '