Ko A-sung

Go Ah-sung (born August 10, 1992) is a South Korean actress. She began her career as a child actress, notably in The Host. Her other notable works include Snowpiercer (2013), Samjin Company English Class (2020), as well as the TV dramas Master of Study (2010) and Heard It Through the Grapevine (2015). Career Go Ah-sung was four years old when she appeared in her first commercial, and she joined the 2002 stage musical Peter Pan when she was ten. At thirteen, Go began her acting career in the KBS children's program Oolla Boolla Blue-jjang (2004). Having worked together in the MBC omnibus drama Beating Heart (2005), actress Bae Doona recommended Go to director Bong Joon-ho when he was casting for his much-anticipated monster film. After an extensive audition process, Go made her film debut in 2006 with a starring role in The Host. Bong praised her work, saying that she "showed really mature acting for her age, and that's one of her defining charms as an actress." Go was also applauded by film critics, with Stephen Hunter of The Washington Post complimenting her "exquisite performance," and Megan Ratner of the Bright Lights Film Journal noting her "unforced naturalness, reminiscent not only of Ana Torrent but of Zazie'''s Catherine Demongeot." Go received several acting nominations, and won Best New Actress at the 2006 Blue Dragon Film Awards. She continued her film career with supporting roles in The Happy Life (2007), Radio Dayz (2008), and A Brand New Life (2009). In 2010, Go appeared in the high school series Master of Study, a Korean drama adaptation of the Japanese manga Dragon Zakura. It scored the highest ratings in its timeslot during its run.