text: McKean acted in the pilot episode of a remake of the British series The Thick of It as the chief of staff. The pilot was directed by Guest. McKean starred in the 40th anniversary Broadway revival of Harold Pinter's The Homecoming, co-starring Ian McShane, Raul Esparza, Eve Best, and James Frain. The show opened on in 2007. In 2009, he starred in the Chicago-based Steppenwolf Theatre Company's production of Superior Donuts by playwright Tracy Letts.
  In 2010, McKean returned in an episode of Smallville alongside his wife and won the Celebrity Jeopardy! tournament by defeating Jane Curtin and Cheech Marin. The earnings were donated to the International Myeloma Foundation in honor of McKean's friend Lee Grayson, who died of myeloma in 2004. In Summer 2010, McKean took over the role of the Stage Manager in Thornton Wilder's Our Town at the Barrow Street Playhouse in New York's Greenwich Village. In 2011, McKean appeared on an episode of Sesame Street as a rock star looking for "rocks" to be in an all ROCK-band.
  In 2012, McKean began performing on Broadway in Gore Vidal's The Best Man. During the show's run, he was hit by a car in New York City, suffering a broken leg. He appeared in the HBO comedy series Family Tree in 2013. In 2014, McKean played J. Edgar Hoover in Broadway previews of Robert Schenkkan's Lyndon B. Johnson bio-play All the Way, starring Emmy winner Bryan Cranston as Lyndon B. Johnson.