SEOUL, Aug. 30 -- South Korean actor and former model Lee Yong-joo, best known for his comedic turn as a hapless rookie soldier in tvN's hit series Blue Tower, has died of cardiac arrest, according to a report by OSEN. He was 40.

According to The Chosun Daily, a close friend announced the news on social media on Aug 29, writing, "We regretfully inform you that our friend Lee Yong-joo has passed away suddenly. We ask for your warm condolences as he begins his final journey."

Lee's funeral is being held at Bundang Jesaeng Hospital Funeral Hall, with the departure ceremony scheduled for August 31. He will be laid to rest at the Seongnam City Funeral Culture Centre.

The sudden death has drawn renewed attention to Lee's previously disclosed...