A child actor is drawing attention for his uncanny resemblance to the star whose younger self he plays on screen!
K-Movie Colony recently opened at No. 1 at the box office, but amid the movie’s success, viewers have also become fascinated by child actor Choi Woo Jin, who plays the younger version of Koo Kyo Hwan’s character.
The attention grew after one netizen who watched the film posted on an online community, asking, “Is the child actor playing Koo Kyo Hwan in Colony AI? The child actor looked exactly like Koo Kyo Hwan.”
The comment quickly gained attention for pointing out just how closely Choi Woo Jin resembled Koo Kyo Hwan in the film.
Choi Woo Jin (left) and young Koo Kyo Hwan (right)
In response, a post was shared on Choi Woo Jin’s social media clarifying, “He is not AI.”
He is Choi Woo Jin, born in 2012. He plays the child version of actor Koo Kyo Hwan!
— Choi Woo Jin’s Mother
The response appeared to come from Choi Woo Jin’s mother, who also shared her gratitude for her son’s role in the film. In a post about attending the VIP premiere of Colony, she recalled the moment he was cast as the young version of Seo Young Chul. “He auditioned last winter,” she wrote.
This all reminded me of the day we were so happy after hearing that he had been cast as ‘young Seo Young Chul.’ To think he would be playing the child version of the amazing actor Koo Kyo Hwan. And just being able to take part in a work by director Yeon Sang Ho was such a grateful and honorable experience.
— Choi Woo Jin’s Mother
Colony, which premiered on May 21, 2026 (KST), follows survivors trapped inside a sealed-off building during a mysterious outbreak of a deadly infection as they fight infected people who evolve in unpredictable ways.
Watch the full trailer here: