Question: What is 2015 South Korean slasher-thriller film directed by Hong Won-chan and starring Go Ah-sung and Park Sung-woong, that starred a a South Korean actress who began her career as a child actress?
Sentence (from "Go Ah-sung"): This was followed by major roles in "Snowpiercer" (2013), "Thread of Lies" (2014) and "Office" (2015), as well as the TV dramas "Master of Study" (2010) and "Heard It Through the Grapevine" (2015).
Relevant evidence: No