Doubt () is a 2024 South Korean psychological thriller crime drama television series written by , directed by , 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 South Korea's best profiler when he discovers his daughter's secret related to a murder crime. It aired on MBC TV every Friday and Saturday at 21:50 (KST) from October 11 to November 15, 2024. 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. He had one son that died from falling off a cliff, despite his daughter's young age he believes she pushed him. He kept Jang mostly confined to her room and questioned her repeatedly about that night. She often cries until her mother saves her, but always glares at her father. The mother eventually dies of suicide, but evidence once again points to foul play.

In the course of investigating a murder case some years later, 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 Lee Ye-joo as young 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 she 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. 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. 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. 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 as Song Min-ah A runaway girl who is presumed to be involved in some incident and becomes entangled with Ha-bin. 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. Yoon Jae-chan as Ko Se-ho One of the members of a runaway group.

Production Development Writer , who won the 2021 MBC Drama Scriptwriting Contest Excellence Award, and PD , who worked on MBC dramas such as The Red Sleeve (2022) and (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.

and Woodside managed the production with the former announced that they had signed a production and supply contract with MBC worth 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

+ Average TV viewership ratings Original broadcast date Average audience share Nielsen KoreaNielsen Korea ratings:

Nationwide Seoul 1 October 11, 2024 5.6% 5.5% 2 October 12, 2024 3 October 18, 2024 5.8% 5.1% 4 October 19, 2024 5.5% 5.4% 5 October 26, 2024 6.0% 6.5% 6 November 1, 2024 7.6% 7.0% 7 November 2, 2024 5.3% 4.9% 8 November 8, 2024 6.9% 6.3% 9 November 9, 2024 6.8% 6.3% 10 November 15, 2024 Average In the table above, the represent the lowest ratings and the represent the highest ratings.

Accolades Awards and nominations Award ceremony Year Category Nominee Result Baeksang Arts Awards 2025 Best Drama Doubt Best Director Song Yeon-hwa Best Actor Han Suk-kyu Best New Actor Kim Jeong-jin Best New Actress Chae Won-bin Best Technical Achievement Lee Jin-suk, Lee Deok-hoon (Cinematography) Bechdel Day 2025 Bechdel Choice 10 Doubt Cine21 Awards 2024 Actor of the Year (Series) Han Suk-kyu New Actress of the Year (Series) Chae Won-bin DFX OTT Awards 2025 Best New Actor Yoon Jae-chan Grimae Awards 2024 Best Picture (Drama) Doubt Best Director Song Yeon-hwa Best Editing Doubt Best Actor Han Suk-kyu Best Actress Chae Won-bin Italia Global Series Festival 2025 Best Picture Doubt Best Actor Han Suk-kyu Korea Broadcasting Prizes 2025 Grand Prize (Daesang) Doubt MBC Drama Awards 2024 Han Suk-kyu Drama of the Year Doubt Top Excellence Award, Actor in a Miniseries Han Suk-kyu Best Supporting Actor Yoon Kyung-ho Best Supporting Actress Han Ye-ri Best New Actor Kim Jeong-jin Roh Jae-won Best New Actress Chae Won-bin Best Couple Award Han Suk-kyu and Chae Won-bin

Listicles + Name of publisher, year listed, name of listicle, and placement Publisher Year Listicle Placement Cine21 2024 Top 10 Series of 2024 South China Morning Post The 15 best K-dramas of 2024

References

External links

Production website