Yoon Chan-young (윤찬영) is a South Korean actor born on April 25, 2001, in South Korea. He began his acting career in 2013 as a child actor, appearing in various television dramas where he often portrayed the younger versions of main characters. Through these early roles, he gained attention for his emotional depth and natural screen presence. He gradually built his career with supporting roles in notable dramas such as Mama (2014), Dr. Romantic (2016), and Nobody Knows (2020), showcasing his growth and versatility as an actor. His breakthrough came with the role of Lee Cheong-san in the Netflix original series All of Us Are Dead (2022), which earned him international recognition and significantly expanded his global fanbase. Following the success of the series, Yoon Chan-young took on leading roles in projects such as Hope or Dope (2022) and Delivery Man (2023). He is widely recognized for his ability to portray emotionally complex characters and is considered one of the most promising young actors of his generation in the South Korean entertainment industry.