Oh Il-nam: The First Clue We Missed (1/19)

Oh Il-nam’s introduction as a feeble, elderly man battling a brain tumor immediately sets him apart from the other players. While others enter the game driven by desperation, his reasons seem more personal and philosophical. Fans later realized that subtle hints—his cheerful demeanor during brutal games and his mysteriously clean record in dangerous situations—were foreshadowing his true role.