In 2015, Kiefer was honored with the “Lifetime Achievement Award” at the Zurich Film Festival.
Kiefer has done voiceover work in video games for characters such as Jack Bauer in 24: The Game, Sergeant Roebuck in Call of Duty: World at War – Final Fronts, Venom Snake / Big Boss in Metal Gear Solid V: The Phantom Pain, and Gideon Jones in Call of Duty: Black Ops 4.
Along with singer Jude Cole, he co-founded the record label, Ironworks.
Kiefer is distantly related to Howard Dean, former Governor of Vermont.
For Driving Under the Influence (DUI), he was sent to prison for 48 days in December 2007.
In December 2008, he received a star on the Hollywood Walk of Fame. He was previously inducted to the Canada’s Walk of Fame in 2005.
Kiefer had a crush on actress Julie Christie.
Kiefer once told in an interview that his mother is the only person in the world he is scared of.
He has shared the same room as actor Robert Downey, Jr. for 3 consecutive years when he shifted to Hollywood.
He lived in UK, USA, and Canada before becoming famous as an actor.
In 1970, his parents got divorced.
He is named after Warren Kiefer, who was an American-born director and writer.
Kiefer was born in London’s St Mary’s Hospital.
Grandson of former Saskatchewan premier Tommy Douglas, leader of the first elected socialist government in North America. Douglas was premier from 1944-1961, and was known as the father of Canada's government funded medical system.
His role as Jack Bauer in "24" (2001) is his first regular role on a television series.
Was originally slated to play grandfather Tommy Douglas in "Prairie Giant: The Tommy Douglas Story" (2006) (mini), but had to relinquish the role in late 2004 due to scheduling conflicts with the fourth season of "24" (2001).
Sentenced to 48 days in jail for DUI. Started serving his sentence immediately (December 5, 2007).
Arrested on suspicion of DUI in Los Angeles on September 25, 2007.
In 2005, he was inducted into Canada's Walk of Fame in Toronto.
When his character, Jack Bauer, got a new tattoo (part of the plot line) for Season 3 of "24" (2001) instead of having to go though tedious make up for each scene which the tattoo would show, Kiefer had a real tattoo inked onto his arm.
His "24" (2001) character Jack Bauer was spoofed by John Culshaw on "Dead Ringers" (2002).
Lives in the Silver Lake area of Los Angeles.
He has a border collie named Molly.
Has a very large collection of vintage guitars (a 1959 Les Paul, a '67 Telecaster, a '68 ES335 and about fifty-five more).