Actor Park Seo-joon returned with the 'Bakseiro' of the topic 'Itaewon Clath'. Park Seo-joon explained in an interview with Esquire Korea that 'Itaewon Clath' is located in the turning point in his short Acting life. Park Seo-joon said: "I wanted to make a difference in terms of genre. It is a work containing various genre elements, but I thought that the growth of Park Sae-roi was the most important," he said. "I came to think about how the words that Park Sae-roi spit out would affect society."
Park Seo-joon said, "I am not interested in social issues, but I am new. I have been thinking about social issues while taking this work. I've grown up too," he said. Park Seo-joon said, "Itaewon Clath is like a return point rather than a turning point." "It was an opportunity to look back on the long acting life."