Question: Who starred in the 2006 mockumentary comedy film that the original host of "The Daily Show" appeared in?
Context: On March 12, 2009, television personality Jim Cramer appeared as a guest on "The Daily Show with Jon Stewart".  The host of CNBC's "Mad Money", Cramer appeared in response to host Jon Stewart's highly publicized week-long criticism of CNBC.  The exchange began with a scathing piece on CNBC's miscalculations regarding the global financial crisis of 2008–2009 in response to CNBC commentator Rick Santelli, who had recently said on the floor of the Chicago Board of Trade that homeowners facing foreclosure were "losers".  Santelli had been set to appear on the show, but CNBC canceled Santelli's appearance.  Stewart, along with "Daily Show" executives, claimed the CNBC montage was not retaliatory and that they planned to show it before the cancellation was announced. Confessions of a Porn Addict is a 2008 Canadian mockumentary comedy film directed by Duncan Christie starring Spencer Rice and Mark Breslin.  The film screened at multiple film festivals (Just for Laughs, Montreal, Calgary International Film Festival) as well as the Los Angeles-based MockFest where it won Best Feature, Best Cinematography and Best Actor (Spencer Rice) in 2008.  It's been called "The most straight-faced mockumentary ever made" (Andrew Dowler, Now Magazine Vol 28 No14) and the viewing public is often fooled into thinking it's a real documentary. Pittsburgh is a 2006 mockumentary comedy film that follows American actor Jeff Goldblum as he attempts to secure a green card for his Canadian actor/singer/dancer girlfriend Catherine Wreford by appearing with her as the leads in a summer regional theatre production of "The Music Man" in Goldblum's hometown of Pittsburgh, Pennsylvania.  The film features numerous other famous personalities portraying themselves, including Ed Begley, Jr. (who had worked with Goldblum on Transylvania 6-5000), Illeana Douglas (who directed Goldblum in her own film "Supermarket"), Moby (as Douglas's boyfriend), Conan O'Brien and Craig Kilborn (hosting Goldblum on their respective shows), Alanis Morissette, and Tom Cavanagh. Stereophonic Musical Listenings That Have Been Origin in Moving Film "Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan" is the soundtrack to the 2006 mockumentary film "Borat", released by (the heretofore nonexistent) "Kuzçek Records" in association with Downtown and Atlantic Records.  The soundtrack was released digitally through the iTunes Store on October 24, 2006, and in stores and through other online music stores on Tuesday, October 31, 2006. Kenny's World is an Australian television mockumentary on Network Ten that is a spin-off from the 2006 mockumentary film "Kenny". Lani Desmonet "Desi" Lydic (born June 30, 1981) is an American comedian and actress who is currently a correspondent on "The Daily Show" with Trevor Noah.  She also stars as guidance counselor Valerie Marks on the MTV comedy-drama series "Awkward".  She got her start in the 2001 parody film "Not Another Teen Movie".  She also starred in the Spike mini-series "Invasion Iowa" alongside William Shatner, and the parody series "The Real Wedding Crashers".  She appeared as Shea Seger in the 2011 film "We Bought a Zoo" alongside Matt Damon and Scarlett Johansson, and in the 2013 film "The Babymakers" with Olivia Munn.  Lydic also appeared as one half of a lesbian couple on an episode of the Disney Channel series "Good Luck Charlie" in 2014.  She joined Trevor Noah's lineup of correspondents for "The Daily Show" on September 29, 2015. Adam Lowitt is an American standup comedian, a four-time Emmy-winning, 6 time nominated co-executive producer and supervising producer for the news satire program "The Daily Show".  He performs regularly in New York and performed on Comedy Central as part of "John Oliver's New York Stand-Up Show" In 2012, Adam was selected to perform at the Just for Laughs Festival in Montreal as part of their New Faces Showcase.  Adam often performs locally and has opened for other comedians he works with at "The Daily Show".  Starting December 2015, he is a contributor on "The Daily Show". Best in Show is a 2000 American mockumentary comedy film co-written (along with Eugene Levy) and directed by Christopher Guest.  The film follows five entrants in a prestigious dog show, and focuses on the slightly surreal interactions among the various owners and handlers, as they travel to the show and then compete during the show.  There are also short depictions of the characters six months after the show is over.  Among the comedic aspects of the film are similarities between the personalities and characteristics of the owners and those of their dogs.  Much of the dialogue was improvised.  Many of the comic actors were also involved in Guest's other films, including "This Is Spinal Tap", "Waiting for Guffman", "A Mighty Wind", "For Your Consideration", and "Mascots". Borat is a 2006 mockumentary comedy film directed by Larry Charles. Craig Kilborn (born August 24, 1962) is an American comedian, sports and political commentator, and television host.  He was the original host of "The Daily Show", a former anchor on ESPN's "SportsCenter", and Tom Snyder's successor on CBS' "The Late Late Show".  On June 28, 2010, he launched "The Kilborn File" after a six-year absence from television.  "The Kilborn File" aired on some Fox stations during a six-week trial run.  In comedy, he is known for his deadpan delivery.
Answer: Jeff Goldblum