Chung Su-bin (; born August 17, 1998), also spelt Jung Soo-bin, is a South Korean actress. She is notable for her appearances in "Revenge of Others" (2022), "Trolley" (2022–2023) and "Friendly Rivalry" (2025). Career. Chung Su-bin graduated from Korea National University of Arts and debuted in 2020 in "Live On". From 2022 to 2024, Chung appeared in several supporting roles in dramas, notably "Rookie Cops", "Juvenile Justice", "Revenge of Others" and "Chief Detective 1958" among them. Her first main role was Kim Soo-bin, a mysterious girl with an unwanted pregnancy in 2022 SBS drama "Trolley"; the role was originally given to actress Kim Sae-ron, who later dropped out of the drama due to a drunk driving incident, and hence Chung was cast to replace her. Chung received significant attention and positive reviews for her acting, and won the Best New Actress award at the 2023 SBS Drama Awards. Chung's first movie appearance was in 2021 South Korean film "A Lonely Island in the Distant Sea". It was followed by 2023 South Korean film "It's Okay!", which premiered at both the 28th Busan International Film Festival and 74th Berlin International Film Festival. It was released in theaters in South Korea on February 26, 2025. In 2025, Chung was cast in a major role in "Friendly Rivalry", alongside Lee Hye-ri, Kang Hye-won and Oh Woo-ri. She gained significant attention and positive reviews for her portrayal as transfer student Woo Seul-gi, and her chemistry with Lee was widely praised.