Yeo Jin-goo is a South Korean actor. Yeo began his career as a child actor, debuting in the film Sad Movie (2005). Nicknamed "Nation's Little Brother", he went on to play the younger characters of the lead roles in films and television series such as in A Frozen Flower (2008), Giant (2010), Moon Embracing the Sun (2012), and Missing You (2012). He is known for playing the title character in the action thriller Hwayi: A Monster Boy (2013), for which he won the Best New Actor trophy at the 34th Blue Dragon Film Awards.

Korean drama, also known as Koreanovela or K-drama, refers to Korean-language television shows made in South Korea. These shows began to be produced around the early 1960s, but were mostly consumed domestically until the rise of the Korean Wave in the 1990s. They have since achieved significant international popularity, with millions of viewers across the world.