• Son, Jude.
• Before being cast as Gareth in "The Office" (2001) he used to work at Pizza Hut, in a chicken factory and at hospitals. He also did stand up comedy for a decade.
• Lives in Peter Sellers's old semi-detached house in Muswell Hill, North London.

Mackenzie Crook is probably best known for his role as Gareth Keenan in the multi award-winning BBC show The Office. The Office is the highest rated and fastest selling comedy in Britain and is currently garnering rave reviews with television audiences around the world. Crook has starred in many hit comedies and was nominated for a prestigious British Comedy Award in 2001.

He is currently filming Brothers Grimm with director Terry Gilliam. Other film credits include a lead in the eagerly awaited British film Sex Lives of the Potato Men, and roles in Churchill: The Hollywood Years, The Secret Life of Peter Sellers, Never Land, The Gathering and Still Crazy.

Born in Kent, England, Crook started out as a stand-up comedian on the British club and theater circuit.