Question: What former jeans model starred in the South Korean film, Always?

full_context: Document 1: Sunny (2011 film): Sunny () is a 2011 South Korean comedy-drama film. The film is about a middle-aged woman who tries to fulfill her friend's dying wish of reuniting their group of high school friends. The film alternates between two timelines: the present day where the women are middle-aged, and the 1980s when they were in high school. It is the second film by writer-director Kang Hyeong-cheol, who previously directed "Scandal Makers" (2008).
Document 2: Phantom (TV series): Phantom () is a 2012 South Korean television series, starring So Ji-sub, Lee Yeon-hee, Um Ki-joon, Kwak Do-won, and Song Ha-yoon. The police procedural tackles crimes and clues in the cyber world, weaving a massive, twist-filled mystery of murders, identity switches, corruption and conspiracy.
Document 3: I'm Sorry, I Love You: I'm Sorry, I Love You () is a 2004 South Korean television drama series starring So Ji-sub and Im Soo-jung. It aired on KBS2 from November 8 to December 28, 2004 on Mondays and Tuesdays at 21:55 for 16 episodes.
Document 4: Jo Hyun-jae: Jo Hyun-jae (born May 9, 1980) is a South Korean actor. Jo made his entertainment debut as a singer in the four-member boy band Guardian, which disbanded after releasing their self-titled album in 1998. In 2000, after he drew popularity when he appeared in a commercial for sports drink Pocari Sweat, Jo began acting. He is best known for his leading roles in "Love Letter" (2003), "Only You" (2005), "Ballad of Seodong" (2005), and "49 Days" (2011).
Document 5: Lee Jong-suk: Lee Jong-suk (Hangul: 이종석, born 14 September 1989) is a South Korean actor and model. He debuted in 2005 as a runway model, becoming the youngest male model ever to participate in Seoul Fashion Week. Lee's breakout role was in "School 2013" (2012) and he is also well known for his roles in "I Can Hear Your Voice" (2013), "Doctor Stranger" (2014), "Pinocchio" (2014) and "W" (2016).
Document 6: 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 7: Kim Ki-bum: Kim Ki-bum (born August 21, 1987) is a South Korean actor and singer. He was a member of the South Korean boy band Super Junior. After the release of Super Junior's third studio album "Sorry, Sorry" in 2009, Kim announced his leave from the group to pursue his acting career. In 2015, Kim announced he ended his contract with S.M. Entertainment and departure from the group. Kim made his television debut in the Korean television drama, "April Kiss", in 2004.
Document 8: Always (2011 film): Always (; lit. Only You) is a South Korean film directed by Song Il-gon. Starring So Ji-sub and Han Hyo-joo in the lead roles, it is about a romance between an ex-boxer who has closed his heart to the world and a telemarketer who remains spirited despite slowly going blind.
Document 9: Cain and Abel (TV series): Cain and Abel () is a 2009 South Korean television series starring So Ji-sub, Shin Hyun-joon, Han Ji-min, and Chae Jung-an. It aired on SBS from February 18 to April 23, 2009 on Wednesdays and Thursdays at 21:55 for 20 episodes.
Document 10: Gong Yoo: Gong Ji-chul (; born July 10, 1979), better known by his stage name Gong Yoo (), is a South Korean actor. He is best known for his roles in television dramas "The 1st Shop of Coffee Prince" (2007) and "" (2016-2017), and the films "Silenced" (2011), "The Age of Shadows" (2016), and "Train to Busan" (2016).
Document 11: Blind (2011 film): Blind () is a 2011 South Korean crime thriller film directed by Ahn Sang-hoon with screenplay by Choi Min-seok which won the "Hit By Pitch" project fair held by the Korean Movie Producers Guild in 2009. It stars Kim Ha-neul and Yoo Seung-ho. Kim received Best Actress honors at the 48th Grand Bell Awards and the 32nd Blue Dragon Film Awards for her performance.
Document 12: Last Present: Last Present (; lit. "Present" or "Gift") is a 2001 South Korean film. Directed by Oh Ki-hwan, it tells the tale of Yong-ki (Lee Jung-jae), a struggling comedian who continues to see parallels between his disintegrating relationship with his wife, Jung-yeon (Lee Young-ae), and the characters he's playing on the stage.
Document 13: Do Lafzon Ki Kahani (film): Do Lafzon Ki Kahani (English: A Story of Two Words ) is a 2016 Indian Hindi-language romantic drama film written by Girish Dhamija and directed by Deepak Tijori. Produced by Avinaash v rai ,Dhaval Jayantilal Gada under his banner Pen India Limited, it features Randeep Hooda and Kajal Aggarwal in the lead roles. It is a remake of the 2011 Korean movie "Always", which was previously adapted in 2015 in Kannada as "Boxer". The filming locations included Kuala Lumpur, Malaysia and India. The film released worldwide on 10 June 2016.
Document 14: So Ji-sub: So Ji-sub (born November 4, 1977) is a South Korean actor. After making his entertainment debut as a jeans model, he became known for his leading roles in the television series "I'm Sorry, I Love You" (2004), "Cain and Abel" (2009), "Phantom" (2012) and "Master's Sun" (2013) as well as the film "Rough Cut" (2008). So has also released several hip-hop EPs.
Document 15: Love 911: Love 911 (; lit. "Bandage" or "Band-Aid") is a 2012 South Korean film starring Go Soo and Han Hyo-joo about an unlikely romance between a dedicated firefighter with a painful past and a cold-hearted doctor who is solely focused on her career. It was released in theaters on December 19, 2012.
ground_truth: So Ji-sub