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?

Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END]  
Answer: Cha Tae-hyun
Cha Tae-hyun