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 received Golden Globe nominations for Best Supporting Actor and New Star of the Year – Actor for his performance. His other notable roles include Jack Murdock in Daredevil (2003), Det. John Mulcahey in Carrie ...