Question: In the movie The Berlin File, Kim Sung-hoon stars as an agent for what country?

Context paragraphs:
Film Base Berlin: Film Base Berlin GmbH is a film production company located in Berlin, Germany.  The company was founded by Mathias Schwerbrock and has produced such films as "Don 2" and "Nightsongs".  In 2011 Film Base service produced The Berlin File for RHYOO Seung Wan, that was partly shot in Berlin and was service producer on the international TV-Series The Transporter for Atlantique Films in Paris starring Chris Vance.  Film Base Berlin also co-produced the documentary Recognition (Hakara), directed by Sharon Ryba-Kahn which was shot in Israel.  The company shares producer credits on the film The Interrogation.  The Interrogation is an Israeli-Germany co-production directed by Erez Pery.  The film is co-produced by the Israel-based Daroma Productions.  In 2015 the feature film The Cakemaker, a co-production with the Tel Aviv-based Laila Films, is being shot in Berlin and Jerusalem.

Ryoo Seung-bum: Ryoo Seung-bum (born August 9, 1980) is a South Korean actor.  He made a name for himself in his older brother director Ryoo Seung-wan's eclectic films, notably "Die Bad" (his acting debut in 2000), "Arahan" (2004), "Crying Fist" (2005), "The Unjust" (2010), and "The Berlin File" (2013).  Known for his manic energy, casual demeanor and subtle ability to command a scene, over the years Ryoo Seung-bum has cemented his status as one of Korea's top actors.

Jun Ji-hyun: Jun Ji-hyun (born Wang Ji-hyun on 30 October 1981), also known as Gianna Jun, is a South Korean actress.  She rose to fame for her role as The Girl in the romantic comedy "My Sassy Girl" (2001), one of the highest-grossing Korean comedies of all time.  Other notable films include "Il Mare" (2000), "Windstruck" (2004), "The Thieves" (2012), "The Berlin File" (2013) and "Assassination" (2015).

Rampant (2018 film): Rampant, also known as Outbreak is an upcoming South Korean historical action zombie film directed by Kim Sung-hoon.

3D Movie (software): A 3D Movie is a computer file for a digital movie that uses Microsoft 3D Movie Maker, or any of its expansions, such as Doraemon 3DMM, Nickelodeon 3DMM, and v3DMM.  3D Movies can only be viewed in these products, and the creation of AVI or MPEG files from the 3D Movie file requires third-party software.  The two common file formats used by 3D Movies are .3mm and . vmm.  . nmm was a third file format once used by 3D Movies, but since the release of the "Nickelodeon 3DMM" add-on to 3D Movie Maker, which combined both editions in one program, this has been deprecated by the ".3mm" file format.

DJ Clazzi: DJ Clazzi (born Kim Sung-hoon; 15 November 1974), also known simply as Clazzi, is a South Korean electronica musician.  He is the leader of Clazziquai, a South Korean band that was formed in 2001 and debuted in 2004 with the album "Instant Pig".  In January 2012, he made his solo debut with "Infant", an album that includes collaborations with a number of artists, including Seulong of 2AM and members of Sunny Hill.

The Berlin File: The Berlin File (; lit.  "Berlin") is a 2013 South Korean spy action thriller film written and directed by Ryoo Seung-wan.  Ha Jung-woo stars as a North Korean agent in Berlin who is betrayed and cut loose when a weapons deal is exposed.  Together with his wife, a translator at the North Korean embassy in Berlin played by Jun Ji-hyun, they try to escape being purged, with Ryoo Seung-bum and Han Suk-kyu playing North and South Korean operatives on their trail.

Kim Sung-hoon (director): Kim Sung-hoon (born 1974) is a South Korean film director.  Kim debuted with the musical drama film "My Little Hero" (2013).  His second feature was the fast-paced action film "Confidential Assignment" (2017) which starred Hyun Bin.  A box office hit with more than 7.8 million admissions and grossing over USD56.4 million, the film was sold to 42 territories, including the U.S., the Middle East, India, the Philippines and Mongolia.

Confidential Assignment: Confidential Assignment (; lit.  Cooperation) is a 2017 South Korean action film directed by Kim Sung-hoon.  It stars Hyun Bin, Yoo Hae-jin and Kim Joo-hyuk.

Ha Jung-woo: Ha Jung-woo (born Kim Sung-hoon on March 11, 1978) is a South Korean actor, film director, screenwriter and film producer.  His breakthrough to stardom came with the role in Na Hong-jin's serial killer film "The Chaser" (2008).  One of the leading actors of his generation in Korean cinema, Ha Jung-woo showcased his versatility across movies from many genres: road movie "My Dear Enemy" (2008), sports film "Take Off" (2009), crime drama "The Yellow Sea" (2010), gangster saga "" (2012), romantic comedy "Love Fiction" (2012), spy thriller "The Berlin File" (2013), and action thriller "The Terror Live" (2013).  He made his directorial debut through the comedy film "Fasten Your Seatbelt" (2013), followed by "Chronicle of a Blood Merchant" (2015).

Supporting paragraphs: Ha Jung-woo The Berlin File
Answer: North Korea