Jung Jae-young (born November 21, 1970) is an acclaimed South Korean actor, known for his versatility and intense performances. He began his career in theater, later establishing himself in film through a fruitful collaboration with director Jang Jin on films such as *Guns & Talks* (2001) and *Someone Special* (2004). His filmography ranges from major commercial successes, such as the blockbusters *Silmido* (2003) and *Welcome to Dongmakgol* (2005), to critically acclaimed roles, highlighted by his iconic performance in *Castaway on the Moon* (2009). For his performance in the thriller *Moss* (2010), he won numerous awards, including the Blue Dragon Film Award and the Grand Bell Award for Best Actor. His talent was also cemented at an international level with his win of the Leopard for Best Actor at the Locarno Film Festival for the film *Right Now, Wrong Then* (2015) by Hong Sang-soo, solidifying his status as a leading actor.