Seobok — Characters & Cast

Originally motivated by the promise of genetic treatment to save his own life; later motivated by an urgent desire to protect Seo Bok's dignity and agency.

Begins as a broken, cynical, guilt-ridden former agent terrified of his impending death from brain cancer; through protecting Seo Bok, he shifts from selfish survivalism to selfless sacrifice, finding moral redemption and peace.

To understand his identity, discover why he was created, experience the world, and escape perpetual exploitation.

Evolves from a passive, inquisitive laboratory subject who follows orders into an autonomous sentient entity who chooses how his life—and death—should conclude.

Preserving national security, state power, and preventing socio-political chaos.

Remains static in his institutional mindset; when he realizes Seo Bok cannot be completely controlled and poses a threat to global stability, he pivots ruthlessly from recovery to termination.

To keep the physical memory and likeness of her lost son alive.

Revealed to have cloned Seo Bok using the genetic template of her deceased young son; she struggles between maternal grief and scientific detachment, treating him with both affection and clinical necessity.

Financial dominance and absolute control over the market for immortality.

Represents the privatized, commercial interest in the clone; seeks total monopoly over eternal life for billionaire investors regardless of humanitarian consequences.