Go Ah sung

Go Ah-sung(born August 10, 1992) is a South Korean actress . She began her career as a child actress , notably in 2006 top-grossing blockbusterThe Host. This was followed by major roles inSnowpiercer(2013),Thread of Lies(2014) andOffice(2015), as well as the TV dramasMaster of Study(2010) andHeard It Through the Grapevine(2015).