Kiefer William Sutherland (born 21 December 1966) is a British-Canadian actor and musician. He is best known for his starring role as Jack Bauer in the Fox drama series 24 (2001–2010, 2014), for which he won an Emmy Award, a Golden Globe Award, two Screen Actors Guild Awards, and two Satellite Awards.

Sutherland got his first leading film role in the Canadian drama The Bay Boy (1984), which earned him a Genie Award nomination. Since that time he has had a successful film career, starring in films such as Stand by Me (1986), The Lost Boys (1987), Young Guns (1988), Flatliners (1990), A Few Good Men (1992), The Three Musketeers (1993), A Time to Kill (1996), Dark City (1998), Phone Booth (2002), Melancholia (2011), Pompeii (2014) and Flatliners (2017).

He has also starred as Martin Bohm in the Fox drama Touch, and provided the facial motion capture and English voice for Venom Snake in the video games Metal Gear Solid V: Ground Zeroes and Metal Gear Solid V: The Phantom Pain. He starred as President Tom Kirkman in the ABC/Netflix political drama series Designated Survivor.

Sutherland has been inducted to the Hollywood Walk of Fame and to Canada's Walk of Fame, and has received a Lifetime Achievement Award at the Zurich Film Festival.

Early life
Sutherland was born on 21 December 1966 at St Mary's Hospital in the Paddington district of London, to Donald Sutherland and Shirley Douglas, both successful Canadian actors who had been living and working in England. He has a twin sister, Rachel Sutherland, who works as a post-production film supervisor. His maternal grandfather was Scottish-born Canadian politician and former Premier of Saskatchewan Tommy Douglas, who is widely credited for bringing universal health care to Canada.

Sutherland is named after American-born writer and director Warren Kiefer, who directed Donald Sutherland in his first feature film, Castle of the Living Dead. Sutherland's family moved to Corona, California, in 1968. His parents divorced in 1970. In 1975, Sutherland moved with his mother to Toronto, Ontario. He attended Crescent Town Elementary School, St. Clair Junior High (now Gordon A. Brown Middle School) East York, and John G. Althouse Middle School in Toronto. He attended several high schools, including St. Andrew's College, Martingrove Collegiate Institute, Harbord Collegiate Institute, Silverthorn Collegiate Institute, Malvern Collegiate Institute, and Annex Village Campus. He also spent a semester at Regina Mundi Catholic College in London, Ontario and attended weekend acting lessons at Sir Frederick Banting Secondary School. Sutherland told Jimmy Kimmel Live! (2009) that he and Robert Downey Jr. were roommates for three years when he first moved to Hollywood to pursue his career in acting. He and Downey also starred together in the film 1969 (1988).