Michael Connell Biehn (born July 31, 1956) is an American actor who best known for his roles in the Hollywood science fiction-action films such as The Terminator, Aliens, and The Abyss . Biehn has also acted in other genres, such as the 1993 Western Tombstone, the 1996 action film The Rock and the 2007 zombie action movie Planet Terror. On television, Biehn appeared in the cast of the Emmy-Award winning 1980s television series Hill Street Blues.

Michael Biehn was born on July 31, 1956 in Anniston, Alabama, grew up in Lincoln, Nebraska, and at age 14 moved with his family to Lake Havasu, Arizona, where he won a drama scholarship to the University of Arizona. He left prematurely two years later to pursue an acting career in Hollywood. His first big role was as a psychotic fan stalking Lauren Bacall in Fan, The (1981) and later appeared in Lords of Discipline, The (1983). He hit the big-time when he was cast as Kyle Reese, the man sent back through time to stop Arnold Schwarzenegger in James Cameron (I)'s Terminator, The (1984). This established a good working relationship with Cameron, a relationship that should have catapulted Biehn to international stardom. He starred in Cameron's subsequent films, Aliens (1986) and Abyss, The (1989), the latter a standout performance as unstable Navy SEAL officer Lt. Coffey. In the 1990s he starred in films like Navy Seals (1990), K2 (1991) and was particularly memorable as Johnny Ringo in Tombstone (1993). Biehn is married and the father of four sons.