Seok (played by Kim Seung-woo) is a protagonist in Yesterday.
An experienced SIU agent who relentlessly hunts the serial killer Goliath. His pursuit becomes deeply personal after Goliath's actions lead to his son Hanbyul's death. He later allies with Hui-su to uncover the terrorist network and a classified Defense Ministry project. Hui-su (played by Yunjin Kim) is a protagonist in Yesterday.
The daughter of the Korean National Police Agency commissioner. After being kidnapped by armed terrorists, she collaborates with Seok to investigate Goliath's motives and expose a secret military project tied to the ongoing criminal activities. May (played by Kim Seon-a) appears in Yesterday.
Goliath (played by Choi Min-soo) appears in Yesterday.
A notorious serial killer and mastermind known by his biblical alias. He orchestrates violent incidents, including the death of Seok's son, and is central to a conspiracy involving a secret South Korean Defense Ministry project and armed terrorist raids. Jo (played by Jung Eun-Chan) appears in Yesterday.
Dr. No Hee-Ahn (played by Jeon Moo-song) appears in Yesterday.
Police chief's secretary (played by Lee Seung-chae) appears in Yesterday.
Kim In-Soo (played by Lee Ho-jae) appears in Yesterday.
Yesterday (2002) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Seok
(played by Kim Seung-woo) — protagonist
An experienced SIU agent who relentlessly hunts the serial killer Goliath. His pursuit becomes deeply personal after Goliath's actions lead to his son Hanbyul's death. He later allies with Hui-su to u...
Hui-su
(played by Yunjin Kim) — protagonist
The daughter of the Korean National Police Agency commissioner. After being kidnapped by armed terrorists, she collaborates with Seok to investigate Goliath's motives and expose a secret military proj...
May
(played by Kim Seon-a) — supporting
Goliath
(played by Choi Min-soo) — supporting
A notorious serial killer and mastermind known by his biblical alias. He orchestrates violent incidents, including the death of Seok's son, and is central to a conspiracy involving a secret South Kore...
Jo
(played by Jung Eun-Chan) — supporting
Dr. No Hee-Ahn
(played by Jeon Moo-song) — supporting
Police chief's secretary
(played by Lee Seung-chae) — minor
Kim In-Soo
(played by Lee Ho-jae) — minor
Squad leader
(played by Jung Ho-bin) — minor
Det. Ko-Myoung
(played by Kang Hyun-joong) — minor
Story Analysis
A relentless hunt for a serial killer whose violence masks a classified military conspiracy.
