Kim MinJong Reveals Regret Over ‘Sex Is Zero’ on Radio Star

Actor Kim MinJong made a guest appearance on the December 3, 2025, episode of the popular MBC talk show, Radio Star, where he revealed a fascinating casting story with renowned director Yoon JeKyun. During the show’s “Dignity of a Solo” special, Kim MinJong recounted a series of film offers that defined his professional relationship with the director, filled with missed opportunities and eventual loyalty. His candid story captured the attention of the hosts, including Kim GuRa, and the viewing audience.

A History of Missed Connections with Yoon JeKyun

Kim MinJong’s connection with director Yoon JeKyun dates back to the director’s earliest projects. The actor shared that he was the first choice for several films that later became major hits, creating a long-running narrative of what could have been between the two. This casting story provided a unique look into the actor-director dynamics in the Korean film industry.

Passing on ‘My Boss, My Teacher’

The first major casting story involved the film ‘My Boss, My Teacher’. Yoon JeKyun initially offered the lead role to Kim MinJong, a testament to the director’s faith in his acting abilities. However, due to a scheduling conflict, Kim MinJong had to decline. At the time, he was already committed to another film, ‘This Is Law’, and could not take on the project. This decision marked the first of several near-collaborations between them.

The Regretful ‘Sex Is Zero’ Casting Story

Following the first offer, director Yoon JeKyun once again approached Kim MinJong, this time for the lead role in the comedy film ‘Sex Is Zero’. Kim MinJong revealed on Radio Star that he turned down this second offer as well. However, he later came to regret this decision deeply after watching the finished movie. He confessed that he found the film incredibly entertaining, and it went on to become a massive box office success with actor Im ChangJung in the lead role, solidifying it as a memorable part of Korean cinema history.

Loyalty Triumphs in ‘Romantic Assassin’

Despite turning down two potentially career-defining roles, the professional bond between Kim MinJong and Yoon JeKyun remained strong. This led to a third, and this time successful, collaboration that was built on mutual trust and respect, concluding a long-running casting story.

A Decision Based on Trust

The turning point in their professional relationship came with Yoon JeKyun’s third film offer: the 2003 movie ‘Romantic Assassin’. Feeling a sense of loyalty and obligation after passing on two major projects, Kim MinJong finally accepted the lead role. He mentioned that his decision was also influenced by the advice of CEO Jung TaeWon, who encouraged him to take the part. This collaboration marked a significant moment in the long-running casting story between the actor and the director, bringing their professional journey full circle. His appearance on Radio Star provided a rare glimpse into the behind-the-scenes decisions that shape the film industry.

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