By Dramabeans
Those Who Read Hearts of Evil, Those Who Read the Minds of Evil
Park Bo-ram
Seol Yi-na
12
SBS TV
South Korea
Korean
Source: Wikipedia
Kang Yoo-min
Shin Ki-ho, the director of the online media Fact Today.
Heo Gil-pyo, head of SMPA's Mobile Investigation Unit.
Nam Il-young, the youngest member of Mobile Investigation Unit who respects and follows Tae-goo unconditionally.
Goo Young-chun, a psychopathic serial killer.
Jo Kang-moo, a serial killer.
Baek Jun-sik, head of SMPA's Criminal division.
Gook Young-soo, leader of the Criminal Behavior Analysis team.
Park Dae-woong, crime squad leader.
Yoon Tae-goo, team leader of the Mobile Investigation Unit at SMPA.
Hwa-yeon's mother
Park Young-shin, Ha-young's mother.
Song Ha-young, profiler of the Criminal Behavior Analysis team at Seoul Metropolitan Police Agency's (SMPA) Scientific Investigation division. Lee Chun-moo as young Song Ha-young
Jung Woo-joo, the person who provides information and analyzes various incident data. He later joins Ha-young and Young-soo's team.
Yang Yong-cheol, a man who claimed to be the "Red Hat" murderer.