• Source: Doubt (South Korean TV series)

Doubt (Korean: 이토록 친밀한 배신자) is a 2024 South Korean television series written by Han Ah-young, directed by Song Yeon-hwa, and starring Han Suk-kyu and Chae Won-bin along with Han Ye-ri, Roh Jae-won, Yoon Kyung-ho, and Oh Yeon-soo. The series depicts the dilemma faced by Korea's best profiler when he discovers his daughter's secret related to a murder crime. It aired on MBC TV from October 11, to November 15, 2024, every Friday and Saturday at 21:50 (KST). It is also available for streaming on Wavve and Coupang Play in South Korea, and on Netflix and Kocowa in selected regions.




Synopsis


Criminal profiler Jang Tae-su is a well-known figure in South Korea. He pioneered the area of criminal behavior analysis in the nation and was among the first in his field. Within the police structure, he has earned everyone's respect and trust. At home, he is raising his daughter Jang Ha-bin alone as a single parent. In the course of investigating a murder case, Tae-su discovers that his daughter is in some way involved. His connection with his daughter and his professional ideas are completely upended by the revelation. In order to keep his daughter safe, Tae-su finds it difficult to tell the truth.




Cast and characters






= Main

=
Han Suk-kyu as Jang Tae-su
One of South Korea's top profilers and a single father raising his only daughter, Ha-bin. He is a self-taught criminal behavior analyst who has earned unparalleled respect and trust within the police force since profiling was not even a word. However, when an incident shakes up his professional beliefs and his relationship with his beloved daughter, he struggles to uncover the truth in order to protect the one thing that means the world to him.
Chae Won-bin as Jang Ha-bin
Tae-su's only daughter who is a high school student. She looks ordinary, but like her father, she has an extraordinary ability to keenly observe and understand people. She also hides a secret that will shake the life of her father.




= Supporting

=



Criminal Behavior Analysis Team

Han Ye-ri as Lee Eo-jin
A member of Criminal Behavior Analysis Team under Tae-su at Yeonju Police Station. She studied in the United Kingdom and majored in criminal psychology, and always prioritizes facts over emotions and cases over people. Although he respects Tae-su as a role model, she feels suspicious about his appearance as if he is hiding something.
Roh Jae-won as Gu Dae-hong
A member of Criminal Behavior Analysis Team under Tae-su at Yeonju Police Station. He thinks that knowing criminals is a faster way to the truth than using traditional evidence.



Violent Crimes Unit 1 of Criminal Investigation Division

Yoon Kyung-ho as Oh Jeong-hwan
A passionate team leader of Violent Crimes Unit at Yeonju Police Station who thinks detectives are the core of the police force and is often in conflict with Tae-su.
Lee Shin-ki as Kim Yong-su
A detective of Violent Crimes Unit at Yeonju Police Station who supports his team leader and takes care of his subordinates. He enjoys profiling and criminal psychology, takes personal interest to Tae-su but maintains a poker face because he is conscious of Jeong-hwan.
Lee Gyo-yeop as Cho Kyung-bin
An action-oriented detective of Violent Crimes Unit at Yeonju Police Station who has to say what he wants to say to get relief.
Ki Jin-woo as Park Jae-hoon
The youngest detective of Violent Crimes Unit at Yeonju Police Station.



Forensic Science Investigation Team

Lee Yang-hee as Hwang Young-soo
A veteran in forensic science investigation and has known Tae-su since he worked at the headquarters.



Tae-su's family

Oh Yeon-soo as Yoon Ji-su
Tae-su's ex-wife and Ha-bin's mother. She stands at the center of father-daughter narrative and amplifies the mystery surrounding it.



People involve in the murder case

Han Su-a as Song Min-ah
A runaway girl who is presumed to be involved in some incident and becomes entangled with Ha-bin.
Kim Jeong-jin as Choi Young-min
A runaway family leader who cannot control his emotions and acts impulsively.
Choi Yu-hwa as Kim Seong-hee
The landlord of the runaway family's dormitory and a single mother who raises her elementary school-aged son alone.
Yoo Eui-tae as Park Jun-tae
Ha-bin's homeroom teacher who is a person with conviction as a teacher and takes great care of his students.



Others

Park Kyung-geun as Lee Seok-moon
Chief of police at Yeonju Police Station.




Production






= Development

=
Writer Han Ah-young, who won the 2021 MBC Drama Scriptwriting Contest Excellence Award, and PD Song Yeon-hwa, who worked on MBC dramas such as The Red Sleeve (2022) and Hunted (2022), team up for the series. In addition, this work, which is being pre-produced, is a masterpiece that even MBC is watching carefully due to the large production cost being invested.
Ascendio and Woodside managed the production with the former announced that they had signed a production and supply contract with MBC worth ₩9.6 billion for the series.




= Casting

=
In 2023, Han Suk-kyu was reportedly cast for the lead role on November 16, and he was officially confirmed on December 5. This was also Han's return to MBC after 29 years.
In 2024, Chae Won-bin was reportedly cast for the daughter role on January 17, and she was officially confirmed on April 2. Han Ye-ri was reportedly cast on February 22, and she was officially confirmed on April 8. Oh Yeon-soo, Roh Jae-won, and Yoon Kyung-ho were confirmed to appear on April 16, 23, and 26, respectively.




= Filming

=
Principal photography began in March 2024.




Release


Doubt was scheduled to air on MBC TV in the second half of 2024 as part of MBC TV's Friday–Saturday lineup. On July 26, MBC TV announced that the series would be broadcast in October 2024. On September 4, the series was confirmed to premiere on October 11, 2024, at 21:50 (KST). It is also available to stream on Wavve, Netflix, Coupang Play, and Kocowa.




Viewership






References






External links


Official website (in Korean)
Doubt at IMDb
Doubt at HanCinema

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