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Sissy Spacek was born in 1949. She is an American actress, singer, and activist. Spacek began her acting career in the early 1970s, and she has since appeared in over 50 films and television shows. She is best known for her roles in "Carrie" (1976), "Coal Miner's Daughter" (1980), and "Missing" (1982), for which she won an Academy Award for Best Actress.