Lee Jung-hwan (; born March 20, 1992), better known by his stage name Sandeul (Hangul: 산들) is a South Korean singer.
 He is a member of the South Korean boy group B1A4, that debuted on April 23, 2011.
 He debuted as a solo artist on October 4, 2016.
Cha Sun-woo (born September 5, 1992), better known by his stage name Baro, is a South Korean singer, rapper, and actor.
 He is the main rapper of South Korean boy group B1A4 and debuted alongside with the group on the stage of MBC "Show!
 Music Core" on April 23, 2011.
 He made his acting debut through the hit 2013 cable drama "Reply 1994" and additionally received critical acclaim for his role in the 2014 drama "God's Gift - 14 Days".
 Baro won 12 medals in Idol Star Athletics Championships with 3 golds, 7 silvers and 2 bronzes.
Han Sang-hyuk (Hangul: 한상혁 born July 5, 1995), most often credited as Hyuk (Hangul: 혁 ), is a South Korean singer and actor, signed under Jellyfish Entertainment.
 Hyuk debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2016 in the comedy-action film "Chasing" as Han Won-tae.
Jung Taek-woon (Hangul: 정택운 , born on November 10, 1990), better known by his stage name Leo (Hangul: 레오 ), is a South Korean singer, songwriter and musical theatre actor, signed under Jellyfish Entertainment.
 Known for his high-pitched, sharp, and clear vocals, Leo debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in the musical "Full House" as Lee Young-jae.
 In 2015 he began his songwriting career, and with VIXX member Ravi formed VIXX's first official sub-unit VIXX LR.
Lee Hong-bin (Hangul: 이홍빈 , born September 29, 1993), is a South Korean singer and actor signed under Jellyfish Entertainment.
 Hongbin debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in SBS's romantic drama "Glorious Day" as Yoo Ji-ho.
 He has since had a leading role in KBS2's fantasy action-romance "Moorim School" (2016) as Wang Chi-ang.
Kim Ki-bum (born September 23, 1991), better known by his stage name Key, is a South Korean singer, actor, fashion designer and television presenter.
 Born and raised in Daegu, South Korea, he later travelled to Seoul after a successful audition at the S.M. National Tour Audition Casting.
 In 2008, Key debuted as a member of South Korean boy group Shinee, who later went on to become one of the best-selling artists in Korea.
 Key is widely recognised as a singer, but he has also ventured into different careers, notably as an actor and fashion designer.
Cho Kyu-hyun (born February 3, 1988), better known mononymously as Kyuhyun, is a South Korean singer and musical theatre actor.
 He is best known as a member of South Korean boy group Super Junior, its sub-groups Super Junior-K.R.Y., Super Junior-M and a former member of the South Korean ballad group S.M. the Ballad.
 He is one of the first four Korean artists to appear on Chinese postage stamps.
Choi Min-ho (born (1991--) 09, 1991 ), better known by the mononym Minho, is a South Korean singer and actor.
 He debuted as a member of South Korean boy group Shinee in May 2008.
 Aside from group activities as singer, he has debuted as an actor in November 2010 in a KBS2's drama special, entitled "Pianist".
 He has since had roles in various television dramas such as SBS's sitcom, "Salamander Guru and The Shadows" (2012), "To the Beautiful You" (2012), "Medical Top Team" (2013), "Because It's The First Time" (2015) and "" (2016).
 He made his big screen debut in 2016 with the movie "Canola".
Derailed (), also known as No Way to Go, is a 2016 South Korean action crime film starring Ma Dong-seok and Choi Min-ho.
 The film was displayed at the 21st Busan International Film Festival in the "Korean Cinema Today – Panorama" section.
 The film was released in the cinemas in South Korea on November 30, 2016.
Cha Hak-yeon (Hangul: 차학연 , born June 30, 1990), better known by his stage name N (Hangul: 엔 ), is a South Korean singer, actor, presenter, and radio host, signed under Jellyfish Entertainment.
 Debuted as a member of the South Korean boy group VIXX in May 2012, he began his acting career in 2014 in MBC's romantic-melodrama "Hotel King" as Noah.
 He has since had roles in "The Family is Coming" (2015), "Cheer Up!
" (2015) and "Tomorrow Boy" (2016).
 N began his career as a radio host in May 2015 with his show "VIXX N K-pop" on SBS Power FM.

Question: Derailed is a 2016 South Korean action crime film starring a South Korean singer who debuted as a member of what South Korean boy group?
Answer: Shinee