Some of them have not been active since.
Over the past few years, South Korea’s entertainment industry has been rocked by a wave of school bullying allegations that have dramatically impacted the careers of numerous celebrities. While some accusations remain disputed and unresolved, the controversies sparked intense public scrutiny and led to halted projects, hiatuses, and significant reputational damage.
Here are several actors whose careers were heavily affected by school bullying allegations.
1. Song Ha Yoon

Actress Song Ha Yoon became embroiled in controversy after allegations surfaced claiming she had participated in group violence and bullying during her high school years. Individuals identifying themselves as victims and former classmates alleged that Song Ha Yoon received a forced school transfer related to disciplinary measures at the time. The actress has denied many of the accusations and has taken legal action against the original accuser. The matter remains the subject of ongoing legal disputes.
Despite the denials, the controversy generated widespread discussion online and significantly affected public perception of the actress.
Song Ha Yoon’s Past Allegations Of Abuse Resurface Amidst School Bullying Controversy
2. Park Hye Su

Park Hye Su became one of the most widely discussed school bullying cases during the industry’s bullying exposé wave in 2021. Multiple individuals claiming to be former classmates accused the actress of bullying and harassment during middle school. As the allegations spread, various testimonies, photographs, and online posts circulated across social media and online communities.
Park Hye Su denied the accusations and maintained that she was also a victim of false claims. However, the controversy led to major disruptions in her activities and projects.
Korean Actress Addresses Her School Bullying Controversy While Discussing Her New Movie
3. Jo Byung Gyu

Jo Byung Gyu’s rising popularity suffered a major setback after allegations emerged claiming that he had engaged in verbal bullying and social exclusion while studying in New Zealand. At the time, the actor was experiencing a career breakthrough through hit dramas such as Stove League and The Uncanny Counter.
Jo Byung Gyu strongly denied the allegations and pursued legal action. However, the controversy sparked widespread debate, with some critics arguing that his explanations failed to fully convince the public. The allegations ultimately affected his public image and temporarily halted the momentum of his rapidly growing career.
“School Bully” Actor Loses $3M Lawsuit Against His Accuser, Faces Scathing Criticism
4. Ahn Se Ha

Actor Ahn Se Ha also faced allegations related to his school years. Individuals claiming to be former classmates accused him of violent bullying and other forms of misconduct during middle school. Additional claims later emerged from people who said they attended school with him.
Ahn Se Ha denied the accusations, and the allegations became the subject of heated online debate. As with several other high-profile school bullying controversies, the case generated significant media attention and led to intense public scrutiny.
Actor Ahn Se Ha Accused Of School Bullying — Agency Refutes Claims
Regardless of whether allegations are ultimately proven, disproven, or remain unresolved, school bullying controversies have become some of the most career-altering scandals in the Korean entertainment industry.
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