“Good Boy,” one of this year’s most-anticipated new Korean dramas with a star-studded cast, will premiere this May. Created by a seasoned action and comedy writer and directed by a renowned filmmaker, this comical action-crime drama will surely captivate audiences. Let’s explore the details of the upcoming drama below!
“Good Boy” Korean Drama: Plot, Cast, Premiere Date, and more

The action comedy “Good Boy” is the latest work of writer Lee Da Il. She is known for her popular dramas “Bring It On, Ghost,” “Life on Mars,” and “Chief of Staff.” This upcoming drama marks her comeback after directing “Chief of Staff 2” in 2019.
Furthermore, top director Shim Na Yeon, known for her award-winning series “Beyond Evil,” helmed the show. This upcoming drama also marks her comeback after “The Good Bad Mother” in 2023, which won multiple awards in various categories in numerous award shows.
Are you ready to witness the next masterpiece of writer Lee Da Il and director Shim Na Yeon? Let’s dive into the drama’s details below!
Korean Drama “Good Boy” Plot

“Good Boy” revolves around individuals who strive to become good people. The story follows five protagonists who are former national athletes:
- Yoon Dong Joo, a former boxer.
- Jin Han Nam, a former shooter.
- Kim Jong Hyun, a former fencer.
- Go Man Shik, a former wrestler.
- Shin Jae Hong, a former discus thrower.
They join the special task force in the police department through a special recruitment program. Their main task is to fight against injustice. In addition, former athletes will incorporate the specialties from their previous sports careers into criminal investigations.
As the still water runs deep, Min Joo Young, a customs officer who seems calm by day, secretly takes control of the city of Inseong by night. His strong duality presence will disturb the lives of the former athletes.
“Good Boy” Cast and Characters
Main Roles
Park Bo Gum as Yoon Dong Joo. He is a former boxer who turned into a rookie cop. Beneath his calm charisma and a heart full of compassion, his character has a burning sense of justice.
To fully embody his character as a former boxer, Park Bo Gum underwent strength training and boxing practice for more than six months.
Kim So Hyun as Jin Han Nam, a former sharp-shooting prodigy who once hailed as a ‘shooting goddess.’ She serves as a senior patrol officer in the special task force. Her character has a strong will to pursue her goals without hesitation, displaying a bold and fearless charm.
To portray the character perfectly as a former shooter, Kim So Hyun trained herself to hold the gun for more than 40 years in the same position. This drama also marks her first-ever firearm action scene after using sword and arrows in her previous projects, adding to the charm of her appearance in this latest drama.
Lee Sang Yi as Kim Jong Hyun, a former silver medal fencer. Possessing sharp focus, strong principles of order and balance, and a cool-headed elite, he is part of the investigation team within the special task force. Behind his calmness, there is an emptiness from his past.
The actor continuously trained his lower body strength and quick footwork to portray his fencing scenes convincingly. He also practiced striking and subduing techniques using a three-section baton.
Heo Sung Tae as Go Man Shik, a former bronze medal-winning wrestler with strong courage and determination. Thanks to his years of experience, he survives in the harsh world of detectives and receives promotion to senior inspector.
Portraying a former national wrestling team member, the actor received special training from a real wrestler and gained weight for the role.
Tae Won Suk as Shin Jae Hong, a former bronze medal-winning discus thrower. Despite his big and strong body, he has a soft heart. He gave up his career as a discus thrower to support his family. He dedicates his time to studying for a promotion, volunteering as a traffic safety officer, and avoiding crime scenes.
Supporting Roles
- Seo Hyun Chul as Hwang Kyung Chul. He is Go Man Sik’s close friend who works as the head of the police department.
- Jung Man Sik as Oh Jong Gu. He is a former national boxing coach and is now the CEO of J9 Security.
- Park Chul Min as Kim Geum Nam. He is a pawnshop owner and informant with extensive connections.
- Seo Jeong Yeon as Jung Mi Ja. She is the owner of a noodle restaurant. She has ties with Dong Joo.
- Seo Jae Hee as Jin Kyung Sook. She is Han Na’s mother, and she works as an insurance agent.
“Good Boy” Premiere Date
Save the date! “Good Boy” Korean drama will premiere on TVING and Prime Video on May 31 at 10:40 p.m. KST.
In the meantime, watch the trailer for the upcoming Korean drama “Good Boy” below:
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