Actor Lee Joo-Shil, best known for her role in 'Squid Game', has passed away at the age of 88.She was diagnosed with stomach cancer three months ago.In 'Squid Game', Joo-Shil played the mother of Hwang Jun-Ho and stepmother of Hwang In Ho.She had a 45-year-long acting career, with 46 credits in films, television, and theater.