David Lemuel Keith (born May 8, 1954) is an American actor and director. His breakthrough role was that of aspiring Navy pilot Sid Worley in An Officer and a Gentleman (1982), for which he was nominated for two Golden Globe Awards. The positive reception for this role led to leading parts in the films The Lords of Discipline (1983), Firestarter (1984) and White of the Eye (1987). Keith had notable supporting roles in features including Major League II (1994), The Indian in the Cupboard (1995), U-571 (2000), Men of Honor (2000) and Daredevil (2003).
Keith was born in Knoxville, Tennessee, the son of Hilda Earle, a worker for the Knox County Board of Education, and Lemuel Grady Keith, Jr., a personnel division worker for the Tennessee Valley Authority. His cousin is Mike Keith, play-by-play announcer for the Tennessee Titans NFL football team.
Keith had an early supporting role in the prison film Brubaker. He had supporting roles in The Rose, starring Bette Midler, and An Officer and a Gentleman, with Richard Gere. Keith played a local thug in The Great Santini, starred in The Lords of Discipline and White of the Eye, and held a prominent supporting role in U-571 opposite Matthew McConaughey. He played opposite child-star Drew Barrymore in the 1984 hit Firestarter and Brooke Shields in 1992's Running Wild. He is also well known for his role as Jack Parkman in Major League II starring Charlie Sheen and Tom Berenger.