Question: What do Christopher Guest and Thomas Schlamme have in common?

Context articles: Prototype (Spin City)
What's Alan Watching?
Christopher Guest
What Kind of Day Has It Been
Pilot (Studio 60 on the Sunset Strip)
Pilot (Sports Night)
Thomas Schlamme
Kingfish: A Story of Huey P. Long
Small Town (Sports Night)
You So Crazy

Prototype is the pilot episode of the ABC sitcom Spin City.
 The episode was written by Gary David Goldberg and Bill Lawrence, and directed by Thomas Schlamme.
 It marked the first appearance of Michael J. Fox's character Mike Flaherty.
What's Alan Watching?
 was a 1989 CBS television series pilot directed by Thomas Schlamme and starring Corin Nemec and Eddie Murphy.
 The series was never picked up after the first episode.
Christopher Haden-Guest, 5th Baron Haden-Guest (born February 5, 1948), simply known as Christopher Guest, is an English-American screenwriter, composer, musician, director, actor, and comedian who holds dual British and American citizenship.
 Guest is most widely known in Hollywood for having written, directed and starred in his series of comedy films shot in mock-documentary (mockumentary) style.
 Many scenes and character backgrounds in Guest's films are written and directed, although actors have no rehearsal time and the ensemble improvise scenes while filming them.
 The series of films began with "This Is Spinal Tap" (directed by Rob Reiner), and continued with "Waiting for Guffman", "Best In Show", "A Mighty Wind", "For Your Consideration", and "Mascots".
"What Kind of Day Has It Been" is the 22nd episode of "The West Wing", the season finale of the show's first season.
 It originally aired on NBC May 17, 2000.
 Events circle around the attempted rescue of a US fighter pilot in Iraq, and the president taking part in a town hall meeting in Rosslyn, Virginia.
 The episode was written by Aaron Sorkin and directed by Thomas Schlamme.
"Pilot" is the first episode of the television series "Studio 60 on the Sunset Strip".
 The episode was first aired in the United States on the NBC network on September 18, 2006.
 Written by series creator Aaron Sorkin, and directed by executive producer Thomas Schlamme, the episode introduces the chaotic behind-the-scenes depiction of a fictional "Saturday Night Live" type show also called "Studio 60 on the Sunset Strip".
Pilot is the pilot episode of the television series "Sports Night", written by Aaron Sorkin and directed by Thomas Schlamme, which premiered on ABC in the United States on September 22, 1998.
 The pilot introduces viewers to a varied group of personalities working on a fictional late-night American sports show called "Sports Night", on the CSC network.
Thomas David Schlamme (pronounced "Shla-Me"; born May 22, 1950) is an American television director, known particularly for his collaboration with Aaron Sorkin.
 He has also been a producer.
Kingfish: A Story of Huey P. Long is a 1995 drama starring John Goodman and directed by Thomas Schlamme.
 The film originally aired on TNT and was nominated for two Emmy awards.
"Small Town" is the thirteenth episode of the first season of the television series "Sports Night", written by Aaron Sorkin and Paul Redford, and directed by Thomas Schlamme, premiered on ABC in the United States on January 12, 1999.
You So Crazy (1994) is a stand up comedy film starring Martin Lawrence.
 It was his first major film and stand up act.
 The film was directed by Thomas Schlamme.
 Lawrence wears a black, leather suit in the film similar to the wardrobe worn by Eddie Murphy in his films "Delirious" and "Raw".