Character Relationships in Dr. Brain
Koh Se-won (played by Lee Sun-kyun) is a protagonist in Dr. Brain.
Lee Kang-mu (played by Park Hee-soon) is a protagonist in Dr. Brain.
Lieutenant Cho (played by Seo Ji-hye) appears in Dr. Brain.
Jung Jae-yi (played by Lee You-young) appears in Dr. Brain.
Hong Nam-il (played by Lee Jae-won) appears in Dr. Brain.
Secretary Yoon (played by Teo Yoo) appears in Dr. Brain.
Dr. Hahn (played by Cha Hee) appears in Dr. Brain.
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Character Relationship Map: Dr. Brain
Dr. Brain (2021) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Koh Se-won
(played by Lee Sun-kyun) — protagonist
Lee Kang-mu
(played by Park Hee-soon) — protagonist
Lieutenant Cho
(played by Seo Ji-hye) — supporting
Jung Jae-yi
(played by Lee You-young) — supporting
Hong Nam-il
(played by Lee Jae-won) — supporting
Secretary Yoon
(played by Teo Yoo) — supporting
Dr. Hahn
(played by Cha Hee) — supporting
Key Relationships
Koh Se-won → Jung Jae-yi
(Spouses)
Koh Se-won → Hong Nam-il
(Controller)
Koh Se-won → Dr. Hahn
(Mentor)
Koh Se-won → Lee Kang-mu
(Colleague)
Koh Se-won → Lieutenant Cho
(Adversary)
Lee Kang-mu → Secretary Yoon
(Mastermind/Subordinate)
Jung Jae-yi → Lee Kang-mu
(Former Associate/Controller)
Jung Jae-yi → Secretary Yoon
(Workplace Associate)
Koh Se-won → Secretary Yoon
(Scientist/Corporate Staff)
Story Analysis
Overall narrative architecture across all 1 seasons
Plot Progression
Season 1: The Accident & Syncs
Season 1: The Investigation Deepens
Season 1: Truths Uncovered
Season 1: The Mastermind Emerges
Season 1: Climax & Sacrifice
Directed by Kim Jee-woon
Dr. Brain (2021) · 7.2/10 · drama, mystery, sci-fi-fantasy
Content sources
Related entry on
Wikidata
(Q109240301), public domain (CC0).
