Oh Chang-seok (오창석) is a South Korean actor. He was born on 2nd June 1982 in Seoul, South Korea. Oh Chang-seok is known for his drama series Oh Chang-seok is best known for his breakout leading role in the 2013 television series Princess Aurora. His performance as the male lead captured the attention of both viewers and critics, earning him the MBC Drama Award for Best New Actor that same year. His portrayal in Princess Aurora showcased his emotional depth and strong screen presence, firmly establishing him as a prominent name in the television industry.

Before his rise to fame in television, Oh Chang-seok made his acting debut in the critically acclaimed film May 18, which depicted the tragic Gwangju Uprising. This early role introduced him to the public and laid the groundwork for his future in acting. In addition to scripted roles, Oh Chang-seok has also shown his real-life personality through the popular reality show I Live Alone. His appearance on the show gave fans a glimpse into his everyday life, earning him admiration for his down-to-earth demeanor and relatable charm.

On July 2, 2019, Oh Chang-seok and model Lee Chae-eun publicly confirmed their relationship in a unique way—by appearing as the ceremonial first pitcher and batter at a professional baseball game. The couple initially met and began dating after appearing together on the romance reality show Taste of Dating, where their on-screen chemistry blossomed into a real-life relationship. Their public appearances and affectionate moments gained significant media attention and support from fans. However, despite their initial connection and popularity as a couple, they have since gone their separate ways, amicably ending their relationship sometime afterward.