
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 (2002), Master Chief Tom O'Malley in Behind Enemy Lines (2001), Captain Hartigan in Men of Honor (2000), Maj. Matthew Coonen in U-571 (2000), Boone in The Indian in the Cupboard (1995), Jack Parkman in Major League II (1994), Det. Lt. Loach in The Two Jakes (1990), Elvis Presley in Heartbreak Hotel (1988), and Andrew 'Andy' McGee in Firestarter (1984).

U-571
2000 · as Maj. Matthew Coonen

Behind Enemy Lines
2001 · as Master Chief Tom O'Malley

Daredevil
2003 · as Jack Murdock

Men of Honor
2000 · as Captain Hartigan

An Officer and a Gentleman
1982 · as Sid Worley

Brubaker
1980 · as Larry Lee Bullen

The Two Jakes
1990 · as Det. Lt. Loach

Poodle Springs
1998 · as Larry Victor

Sabretooth
2002 · as Bob Thatcher

Raise Your Voice
2004 · as Simon Fletcher

The Indian in the Cupboard
1995 · as Boone

Major League II
1994 · as Jack Parkman

Carrie
2002 · as Det. John Mulchaey

Firestarter
1984 · as Andrew McGee

A Family Thing
1996 · as Sonny

Awaken
2015 · as Walsh

Cahoots
2001 · as Harley

The Stickup
2002 · as Ray DeCarlo