as Kim Ma-nok: The serial killer who is inexplicably protected by the Ghost.
as the Ghost: The enigmatic time traveler and founder of the Grid. Grid Season 1 Complete Pack
as Jung Sae-byeok: A detective who witnesses the Ghost's supernatural intervention during a murder investigation. as Kim Ma-nok: The serial killer who is
as Kim Sae-ha: A Bureau employee who has spent his life searching for the Ghost to uncover the truth about his father's death. as Kim Sae-ha: A Bureau employee who has
In 1997, Earth was saved from an extinction-level solar flare by a global electromagnetic shield called the , installed by a mysterious woman who vanished immediately afterward. In 2021, she suddenly reappears to assist a serial killer in escaping capture. The story weaves a complex web of time travel, government conspiracies, and the moral weight of altering history. Core Cast & Crew