Who plays Grim Reaper in Guardian: The Lonely and Great God?

Grim Reaper is played by Kim Ki-doo.

How is Grim Reaper connected to other characters?

Grim Reaper has 5 mapped relationships in Guardian: The Lonely and Great God. Explore the interactive relationship map for details.

Grim Reaper — Partners — Goblin / Kim Shin (Gong Yoo)
A functional alliance where the Reaper assists Shin's quest, sharing burdens and facing supernatural consequences together.
Grim Reaper — Complex Romance — Sunny / Kim Seon (Yoo In-na)
A complicated romantic thread marked by memory manipulation, identity concealment, and direct confrontation.
Grim Reaper — Antagonistic/Reluctant Ally — Ji Eun-tak (Kim Go-eun)
A volatile dynamic where the Reaper alternates between rescuer and threat, creating confusion and emotional distance for Eun-tak.
Grim Reaper — Co-conspirators — Yu Deok-hwa (Yook Sung-jae)
A coordinated working relationship that shifts from collaborative assistance to mutual suspicion regarding Deok-hwa's agenda.
Grim Reaper — Reluctant Protector — Ji Eun-tak (Kim Go-eun)
A protective alliance where the Reaper's intervention escalates from rescue to supernatural punishment, highlighting growing commitment.