| Actor/Actress | Character | Role Description | | :--- | :--- | :--- | | | Ok Chan-mi | The determined protagonist, a former shooting champion who transfers schools to solve her twin brother's murder. | | Lomon (Park Solomon) | Ji Soo-heon | The brooding anti-hero. He takes revenge for money, but has a strong moral code and ultimately becomes Chan-mi's most loyal ally. | | Seo Ji-hoon | Seok Jae-beom | A mysterious student who lost his memory after a fall. He is a close friend and confidant to Soo-heon, and his past is a key part of the mystery. | | Chae Sang-woo | Gi Oh-seong | The primary antagonist. A charismatic but inscrutable student with a powerful background, he is the school's hidden bully and manipulator. | | Lee Soo-min | Kuk Ji-hyun | The second female lead with a secret she desperately wants to hide. | | Jung Soo-bin | Tae So-yeon | A senior suffering from school violence who hires Soo-heon for revenge. | | Kim Joo-ryoung | Jin So-jeong | A detective investigating the suspicious deaths linked to the school. | | Kang Yul | Park Won-seok | Chan-mi's twin brother. His death is the catalyst for the entire story. |
The action sequences—particularly Soo-heon's vigilante confrontations—are raw, gritty, and realistically messy, avoiding overly stylized Hollywood-style fights. revenge of others drama full
Shin Ye-eun delivers a powerful, grounded performance as a sister driven by rage, while Lomon (fresh off his success in All of Us Are Dead ) proves his leading-man status with intense action sequences and emotional depth. | Actor/Actress | Character | Role Description |
A popular girl with a hidden, darker side who becomes entangled in the central conflict. | | Seo Ji-hoon | Seok Jae-beom |