The highly anticipated premiere of “Good Boy” is set for May 31 on Prime Video. This new Korean action-comedy drama is ready to win over viewers with a thrilling story full of adrenaline, humor, and inspiring messages about justice and courage. Starring Park Bo Gum, the series offers a fresh twist by combining the world of sports with police work.
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Good Boy’s Plot Mixes Action, Comedy, and Social Commentary
“Good Boy” follows the journey of young athletes who trade their medals for badges by joining the police force through a special recruitment program for Olympic medalists. These former athletes now face a new kind of competition: fighting corruption and injustice in society.
The drama explores how these individuals—shaped by sports achievements and personal challenges—choose unique paths in their pursuit of justice, going beyond conventional rules. With a captivating storyline, “Good Boy” stands out for tackling relevant social issues with both lightness and emotion.

Park Bo Gum as Lead Character Yoon Dong Joo
In “Good Boy“, Park Bo Gum plays Yoon Dong Joo, a former national boxing team member who becomes a police officer to fight for justice. The actor fully committed to the role, even gaining weight to authentically portray his character. According to Park Bo Gum, Yoon Dong Joo is driven by a strong desire to protect the innocent and selflessly challenge those who break the rules.
His physical and emotional transformation is already drawing attention, promising a powerful and moving performance.

A Stellar Cast Completes the Good Boy Lineup
- Kim So Hyun plays Ji Han Na, a former shooting champion and fearless patrol officer who hides a passionate heart behind a cold exterior.

- Oh Jung Se takes on the role of villain Min Joo Young, a customs agent living a double life with dark intentions.

- Lee Sang Yi is Kim Jong Hyun, a strong and smart sergeant and former silver medalist.

- Heo Sung Tae plays Go Man Sik, the spirited and charismatic team leader and former Olympic wrestler.

- Tae Won Suk portrays Shin Jae Hong, a former discus thrower with an intimidating look but a gentle heart.

The drama also features a talented supporting cast, including Seo Hyun Chul, Jung Man Sik, Park Chul Min, Seo Jeong Yeon, and Seo Jae Hee, who bring depth and humor to the central storyline.

High Expectations for the Good Boy Premiere
The production team of “Good Boy” emphasized that this drama goes beyond crime-solving and action scenes. It’s a story about resilience, solidarity, and the fight for a fairer world—even when the system seems broken. The script reading session was already filled with laughter, tension, and energy, leaving fans eagerly anticipating the premiere.
With a star-studded cast, an original plot, and a powerful message, Good Boy is set to become one of the standout K-dramas of 2025.
Stay tuned and don’t miss the premiere on May 31, exclusively on Prime Video.