Question: Who were the writers of the 2016 American Christmas comedy film directed by Josh Gordon and Will Speck in which the Emmy-nominated American actress and comedian, best known as a cast member on "Saturday Night Live" played a role?

Context paragraphs:
List of Saturday Night Live guests: "Saturday Night Live" (abbreviated as SNL) is a late-night sketch comedy and variety show created by Lorne Michaels.  It premiered on NBC, a terrestrial television network, on October 11, 1975 under the title "NBC's Saturday Night".  The show often satirizes contemporary American popular culture and politics.  "Saturday Night Live" features a two-tiered cast: the repertory members, also known as the "Not Ready for Prime-Time Players", and newer cast members, known as "Featured Players."

Kenan Thompson: Kenan Thompson ( born May 10, 1978) is an American actor and comedian.  He is known for his work as a cast member of NBC's "Saturday Night Live".  In his teenage years, he was an original cast member of Nickelodeon's sketch comedy series "All That."  Thompson is also known for his roles as Kenan Rockmore in the sitcom "Kenan & Kel", Russ Tyler in "The Mighty Ducks" franchise, Dexter Reed in the film "Good Burger", and "Fat Albert" as the title character.  In his early career, he often collaborated with fellow comedian and "All That" cast member Kel Mitchell.  He is ranked at #88 on VH1's 100 Greatest Teen Stars.

Mary Katherine Gallagher: Mary Katherine Gallagher is a fictional character invented and portrayed by "Saturday Night Live" cast member Molly Shannon from 1995 to 2001.  She was considered the first breakout character from the new 1995 cast, and a significant marker of the increased influence of women writers on the show in the 1990s.  Shannon portrayed the character in a 1999 film, "Superstar", and she also reprised the role when she hosted "Saturday Night Live" in 2007.

A Night at the Roxbury: A Night at the Roxbury is a 1998 American comedy film based on a recurring skit on television's long-running "Saturday Night Live" called "The Roxbury Guys".  "Saturday Night Live" regulars Will Ferrell, Chris Kattan, Molly Shannon, Mark McKinney and Colin Quinn star.  This film expands on the original Saturday Night Live sketches where the Roxbury Guys were joined by that week's host, and bobbed their heads to Haddaway's hit song "What Is Love" while being comically rejected by women at various clubs.

Office Christmas Party: Office Christmas Party is a 2016 American Christmas comedy film directed by Josh Gordon and Will Speck and written by Justin Malen and Laura Solon, based on a story by Jon Lucas and Scott Moore.  The film stars an ensemble cast, including Jason Bateman, Olivia Munn, T. J. Miller, Jillian Bell, Vanessa Bayer, Courtney B. Vance, Rob Corddry, Kate McKinnon and Jennifer Aniston, and was released on December 9, 2016 by Paramount Pictures.  It grossed $114 million worldwide.

Jay Pharoah: Jared Antonio Farrow (born 14 October, 1987) better known by his stage name Jay Pharoah, is an American actor, stand-up comedian, impressionist, rapper, and voice actor.  He joined the cast of NBC's "Saturday Night Live" in 2010, for its thirty-sixth season.  In 2015, he was ranked the 55th greatest "Saturday Night Live" cast member by "Rolling Stone" magazine.

Vanessa Bayer: Vanessa Polster Bayer (born  14, 1981 (1981--) ) is an Emmy-nominated American actress and comedian, best known as a cast member on "Saturday Night Live" and for supporting roles in films "Trainwreck", "Office Christmas Party" and "Carrie Pilby".

Celebrity Jeopardy! (Saturday Night Live): Celebrity Jeopardy! is a series of sketches that aired regularly on the television comedy/variety show "Saturday Night Live" between 1996 and 2002, the years when Will Ferrell was a cast member.  It parodies the same-named special event on the television quiz show "Jeopardy!" that features competition between notable individuals with all winnings going towards charitable organizations, and significant reductions to the game's level of difficulty.  Fifteen sketches aired between December 1996 and February 2015: two sketches per season from 1996 to 2002, when Ferrell was a regular on the show; and one each in 2005 and 2009, when Ferrell returned to the show as host.  The sketch was revived for the "Saturday Night Live 40th Anniversary Special" on February 15, 2015.

List of Saturday Night Live episodes: <section begin=head />"Saturday Night Live" ("SNL") is a late-night sketch comedy and variety show created by Lorne Michaels.  It premiered on NBC, a terrestrial television network, on October 11, 1975 under the title "NBC's Saturday Night".  The show often satirizes contemporary American popular culture and politics.  "Saturday Night Live" features a two-tiered cast: the repertory members, also known as the "Not Ready for Prime-Time Players," and newer cast members, known as "Featured Players."  Each week, the show features a host, often a well-known celebrity, who delivers an opening monologue and performs in sketches with the cast.  A musical guest is also invited to perform several sets (usually two, and occasionally more).  Every so often a host or musical guest will fill both roles, such as was the case with Britney Spears in 2000 and 2002, Jennifer Lopez in 2001 and 2010, Justin Timberlake in 2003, 2006 and 2013, Taylor Swift in 2009, Bruno Mars in 2012, Lady Gaga in 2013, Miley Cyrus in 2013 and 2015, Drake in 2014 and 2016, Blake Shelton in 2015, and Ariana Grande in 2016.  With the exception of Season 7 and several other rare cases, the show has begun with a cold open that ends with someone breaking character and proclaiming "Live from New York, it's Saturday Night! "

Ellen Cleghorne: Ellen Cleghorne (born November 29, 1965) is an American actress and comedian, best known as a cast member of "Saturday Night Live" from 1991 to 1995.  Cleghorne was the sketch comedy show's second African-American female repertory cast member, succeeding Danitra Vance in its eleventh season, and the first African-American female cast member to stay for more than one season.  She returned for its 40th anniversary special on February 15, 2015.  Cleghorne was ranked the 69th greatest "Saturday Night Live" cast member by "Rolling Stone" magazine.

Supporting paragraphs: Vanessa Bayer Office Christmas Party
Answer: Justin Malen and Laura Solon