Kim So-hyun is an Australian-born South Korean actress who began her career as a child in 2006, initially gaining audience attention for playing pivotal roles in Moon Embracing the Sun and Missing You.
She took on her first leading role in teen drama Ma Boy and since then has starred in many TV series including high-school drama Who Are You: School 2015, horror comedy Hey Ghost, Let's Fight, historical melodrama The Emperor: Owner of the Mask, romantic comedies Radio Romance and The Tale of Nokdu, teen suspense romance Love Alarm and Korean folklore River Where the Moon Rises as an assassin. Pure Love was her first movie as a lead. She was the regular host of MBC's music program Music Core and survival reality show Under Nineteen in 2019.
Kim has been nicknamed in variety by the Korean medias as the "Nation's Little Sister", "Queen of Child Actresses", "Goddess of Historical Drama" and also the "Sageuk Goddess", after starring and appearing in various acclaimed historical period dramas throughout her career, and having gained experience working as an actress from childhood to the present day.