Question: My New Sassy Girl is a 2016 South Korean-Chinese romantic comedy film, starring which South Korean actor, singer, television personality radio DJ and director?

full_context: Document 1: My Sassy Girl (TV series): My Sassy Girl (Hangul: 엽기적인 그녀 ; RR: "Yeopgijeogin Geunyeo " ) is a 2017 South Korean television drama starring Joo Won, Oh Yeon-seo, Lee Jung-shin and Kim Yoon-hye, based on the 2001 South Korean movie "My Sassy Girl" by Kwak Jae-yong, but during Joseon period. It aired on SBS from May 29 to July 18, 2017 on Mondays and Tuesdays at 22:00 (KST) time slot for 32 episodes.
Document 2: My Sassy Girl: My Sassy Girl (Korean: 엽기적인 그녀 ; literally, "That Bizarre Girl") is a 2001 South Korean romantic comedy film directed by Kwak Jae-yong, starring Jun Ji-hyun and Cha Tae-hyun.
Document 3: Cho Jae-hyun: Cho Jae-hyun (born June 30, 1965) is a South Korean film, stage, and TV actor. He is commonly dubbed "director Kim Ki-duk's persona" since Cho has starred as leading and supporting characters in almost all films directed by Kim.
Document 4: 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).
Document 5: Lee Tae-min: Lee Tae-min (born July 18, 1993), better known by the mononym Taemin, is a South Korean singer and actor. He debuted as a vocalist of the group Shinee in May 2008 under S.M. Entertainment. He began his acting career in 2009 with MBC's comedy "Tae Hee, Hye Kyo, Ji Hyun" as Junsu.
Document 6: Sweet Sixteen (2016 film): Sweet Sixteen (, literally combining the names of the main characters) is a 2016 Chinese-South Korean romance film directed by Jo Jin-kyu and starring Kris Wu, Han Geng, Joo Won and Lu Shan. It was released in China by Heng Ye Film Distribution on August 5, 2016.
Document 7: My Sassy Girl 2: My Sassy Girl 2 (Chinese: 我的野蛮女友2) is a 2010 Chinese romantic comedy film directed by Joe Ma and starring Lynn Hung, Leon Jay Williams, He Jiong, Abby Feng and Bosco Wong. The film is an unofficial sequel of the 2001 South Korean film "My Sassy Girl". It was released on November 5, 2010.
Document 8: My Sassy Girl (2008 film): My Sassy Girl is a 2008 American remake of the 2001 South Korean romantic-comedy "My Sassy Girl". It stars Elisha Cuthbert and Jesse Bradford and was directed by Yann Samuell. Both films are based on a true story told in a series of blog posts written by Kim Ho-sik, who later adapted them into a fictional novel. The film is set in New York City's Central Park and Upper East Side. Samuell, describes the film as "a fable about destiny, " while Bradford described it as "a romantic comedy about how they pull each other to a more healthy place by virtue of their relationship."
Document 9: Love, Lies (2016 film): Love, Lies () is 2016 South Korean period drama film directed by Park Heung-sik, reuniting "The Beauty Inside" co-stars Han Hyo-joo, Chun Woo-hee and Yoo Yeon-seok. The story takes place in 1943, during the Imperial Japanese occupation of Korea. In the film, best friends Jung So-yul (Han Hyo-joo) and Seo Yeon-hee (Chun Woo-hee) are two of the last remaining "gisaeng". Although they enjoy pop music, they are committed to singing "jeongga", or classical Korean songs. So-yul's life falls apart when her lover, pop music producer Kim Yoon-woo (Yoo Yeon-seok), falls in love with Yeon-hee and helps her debut as a pop singer. The story follows So-yul's downward spiral as she is consumed by uncontrollable jealousy.
Document 10: Uhm Tae-woong: Uhm Tae-woong (born April 5, 1974) is a South Korean actor. He made his acting debut in 1998, but initially struggled to emerge from under the shadow of his older sister, popular singer-actress Uhm Jung-hwa. After several years of small roles and work in one-act dramas, Uhm began to gain recognition after his villainous turn in the romantic comedy "Delightful Girl Choon-Hyang". In 2005, he made his breakthrough in the critically acclaimed "Resurrection", followed by another revenge-themed series "The Devil" in 2007. Since then, he has starred in diverse leading roles on film and television, notably in "Forever the Moment" (2008), "Chaw" (2009), "Cyrano Agency" (2010), "Architecture 101" (2012), and "Man from the Equator" (2012).
Document 11: Jae Hee: Jae Hee (born Lee Hyun-kyun on May 25, 1980) is a South Korean actor. He is best known for his leading roles in the 2004 arthouse film "3-Iron" and the 2005 television series "Sassy Girl Chun-hyang".
Document 12: Seo Taiji: Jung Hyun-Chul (hangul: 정현철; born February 21, 1972), better known as Seo Taiji or Seo Tae-Ji (서태지), is a South Korean singer, musician, songwriter and record producer. After dropping out of high school to pursue a music career, he has risen to become one of the most prominent and influential cultural icons in South Korea, with many referring to him as "the President of Culture".
Document 13: Cha Tae-hyun: Cha Tae-hyun (born March 25, 1976) is a South Korean actor, singer, television personality radio DJ and director. He is best known for his lead roles in the box-office hit comedies "My Sassy Girl" (2001), "Scandal Makers" (2008) and "Hello Ghost" (2010) as well as the television series "Jeon Woo-chi" (2012) and "The Producers" (2015). He made his directorial debut with the variety-drama "Hit the Top" (2017), in which he also stars.
Document 14: My New Sassy Girl: My New Sassy Girl () () is a 2016 South Korean-Chinese romantic comedy film directed by Joh Keun-shik, and starring Cha Tae-hyun and Victoria Song. This film, a sequel to "My Sassy Girl" (2001), was released in China on April 22, 2016 and released in South Korea on May 12, 2016.
Document 15: Cha Seung-won: Cha Seung-won (born 7 June 1970) is a South Korean actor who his career as an in-demand fashion model in the 1990s. Cha achieved stardom through the hit comedy films "Kick the Moon" (2001); "Jail Breakers" (2002); "My Teacher, Mr. Kim" (2003); and "Ghost House" (2004). After proving his versatility in other genres, notably in the period thriller "Blood Rain" (2005) and the melodrama "My Son" (2007), Cha's popularity continued with the television series "Bodyguard" (2003), "City Hall" (2009), and "The Greatest Love" (2011).
ground_truth: Cha Tae-hyun