Question: Which cast member of "A Very Murray Christmas" is known for his frequent collaborations with Wes Anderson ?
Context: Rushmore is a 1998 comedy-drama film directed by Wes Anderson about an eccentric teenager named Max Fischer (Jason Schwartzman in his film debut), his friendship with rich industrialist Herman Blume (Bill Murray), and their mutual love for elementary school teacher Rosemary Cross (Olivia Williams).  The film was co-written by Anderson and Owen Wilson.  The soundtrack was scored by regular Anderson collaborator Mark Mothersbaugh and features several songs by bands associated with the British Invasion of the 1960s. Moonrise Kingdom is a 2012 American coming-of-age film directed by Wes Anderson, written by Anderson and Roman Coppola, and described as an "eccentric, pubescent love story."  It features newcomers Jared Gilman and Kara Hayward in the main roles and an ensemble cast.  Filming took place in Rhode Island from April to June 2011.  Worldwide rights to the independently produced film were acquired by Focus Features. Bottle Rocket is a 1996 American crime-comedy film directed by Wes Anderson.  It was co-written by Anderson and Owen Wilson.  In addition to being Wes Anderson's directorial debut, "Bottle Rocket" was the debut feature for brothers Owen and Luke Wilson, who co-starred with James Caan and Robert Musgrave. The Grand Budapest Hotel is a 2014 comedy film written and directed by Wes Anderson, from a story by Anderson and Hugo Guinness, inspired by the writings of Stefan Zweig.  Featuring an ensemble cast, it stars Ralph Fiennes as a concierge who teams up with one of his employees (Tony Revolori) to prove his innocence after he is framed for murder. The Darjeeling Limited is a 2007 American adventure comedy-drama film directed by Wes Anderson which he co-produced with Scott Rudin, Roman Coppola and Lydia Dean Pilcher and co-wrote with Coppola and Jason Schwartzman.  The film stars Owen Wilson, Adrien Brody and Schwartzman and also features Waris Ahluwalia, Amara Karan, Barbet Schroeder and Anjelica Huston with Natalie Portman, Camilla Rutherford, Irrfan Khan and Bill Murray in cameo roles. A Very Murray Christmas is a 2015 American Christmas musical comedy film directed by Sofia Coppola and co-written by Bill Murray, Mitch Glazer, and Coppola.  The film features an ensemble cast including Bill Murray, George Clooney, Paul Shaffer, Amy Poehler, Julie White, Dimitri Dimitrov, Michael Cera, Chris Rock, David Johansen, Maya Rudolph, Jason Schwartzman, Jenny Lewis, Rashida Jones, and Miley Cyrus and was released on December 4, 2015, on Netflix. The Royal Tenenbaums is a 2001 American comedy-drama film directed by Wes Anderson and co-written with Owen Wilson.  The film stars Danny Glover, Gene Hackman, Anjelica Huston, Bill Murray, Gwyneth Paltrow, Ben Stiller, Luke Wilson, and Owen Wilson.  Ostensibly based on a non-existent novel and told with a literary narrative, the story follows the lives of three gifted siblings who experience great success in youth, and even greater disappointment and failure in adulthood.  The children's eccentric father Royal Tenenbaum (Hackman) leaves them in their adolescent years, returning to them after they have grown, and falsely claiming to have a terminal illness.  Long after he was shunned by his family, Royal gradually reconciles with his children and ex-wife (Huston). "General Hospital" is the longest running American television serial drama, airing on ABC.  Created by Frank and Doris Hursley, the series premiered on April 1, 1963.  The longest-running cast member is Leslie Charleson, who has portrayed Dr. Monica Quartermaine since August 17, 1977, also making her one of the longest-tenured actors in American soap operas.  Former cast member Rachel Ames was previously the series' longest-running cast member, portraying Audrey Hardy from 1964 to 2007, and making guest appearances in 2009 and 2013, the latter for the series' fiftieth anniversary.  Ames made a special appearance on October 30, 2015.  Actors Genie Francis and Kin Shriner, who portray Laura Spencer and Scott Baldwin, are the second and third longest-running cast members, having joined "General Hospital" in February and August 1977, respectively.  Actress Jacklyn Zeman — who portrays Bobbie Spencer — is the fourth longest-running cast member, joining the serial in December 1977.  Actress Jane Elliot, who joined the serial in June 1978 as Tracy Quartermaine, is the fifth longest-running cast member, joining "General Hospital" in June 1978 until her departure in May 2017.  Former cast member Anthony Geary, who portrayed Luke Spencer, was the sixth longest-running cast member, having joined "General Hospital" in November 1978.  The following list is of cast members who are currently on the show: the main and recurring cast members, or those who are debuting, departing or returning to the series. Isle of Dogs is an upcoming American stop-motion animated comedy-adventure film written and directed by Wes Anderson.  Produced by Indian Paintbrush, the film will feature an ensemble voice cast consisting of Bryan Cranston, Edward Norton, Bill Murray, Jeff Goldblum, Kunichi Nomura, Ken Watanabe, Greta Gerwig, Frances McDormand, Courtney B. Vance, Fisher Stevens, Nijiro Murakami, Harvey Keitel, Koyu Rankin, Liev Schreiber, Bob Balaban, Scarlett Johansson, Tilda Swinton, Akira Ito, Akira Takayama, F. Murray Abraham, Yojiro Noda, Mari Natsuki, Yoko Ono, and Frank Wood.  It is scheduled to be released on March 23, 2018, by Fox Searchlight Pictures. Jason Francesco Schwartzman (born June 26, 1980) is an American actor, screenwriter and musician.  He is known for his frequent collaborations with Wes Anderson, such as "Rushmore" (1998), "The Darjeeling Limited" (2007), "Fantastic Mr. Fox" (2009), "Moonrise Kingdom" (2012) and "The Grand Budapest Hotel" (2014).  He also starred in other films, such as "Spun" (2003), "I Heart Huckabees" (2004), "Shopgirl" (2005), "Marie Antoinette" (2006), "Funny People" (2009), "Scott Pilgrim vs. the World" (2010), and "Saving Mr. Banks" (2013).
Answer: Jason Schwartzman