Hong Du-sik is a fictional character from the popular South Korean television series Hometown Cha-Cha-Cha. He is portrayed by actor Kim Seon-ho. Hong Du-sik is known for his charming personality and resourcefulness, often helping the residents of the small seaside village of Gongjin. In the series, Hong Du-sik is a jack-of-all-trades, taking on various jobs to support the community. His character is also depicted as warm-hearted and caring, forming a close bond with the female lead, Yoon Hye-jin, played by Shin Min-a. The show highlights themes of love, friendship, and the importance of community.