
He is the youngest male actor to receive the Best New Actor award in the history of Blue Dragon Film Awards, at the age of sixteen. In 2013, Yeo starred as the titular character in action thriller Hwayi: A Monster Boy, for which he garnered praises and won several Best New Actor honors from annual award ceremonies such as Blue Dragon Film Awards and Korean Association of Film Critics Awards. He won Best Young Actor at the 2012 MBC Drama Awards for his portrayal in both dramas. This was followed by a well-received turn in melodrama Missing You. The drama surpassed 40% in ratings and gained "national drama" status. In 2012, Yeo rose to prominence when he starred in the fantasy-period drama Moon Embracing the Sun, playing the role of a young crown prince. The appearance was upon the request of its lead actor Jang Hyuk, who took a liking to Yeo when the latter portrayed his younger version in the drama Tazza. He also made a brief appearance as teenage Ddol-bok in the drama Deep Rooted Tree. In 2011, he played the younger part of the title character in the historical drama Warrior Baek Dong-soo. According to Yeo, this was the first time he fully immersed himself in a role and began taking acting seriously. In 2010, he starred in the drama Giant as the younger counterpart to Lee Beom-soo's character. He won his first acting award as Best Child Actor at the SBS Drama Awards for both dramas. In 2008, he played the younger version of the lead roles in the series Iljimae and Tazza. In 2006, he appeared in his first television drama I Want to Love, playing a sickly child of a single mother followed by his first role in a sageuk drama Yeon Gaesomun as young Kim Heum-soon. He auditioned for the role of Park Hwi-chan and was chosen among 150 candidates despite having no previous acting experience. In 2005, Yeo made his debut at the age of eight in the film Sad Movie.

Career 2005–2011: Beginnings as a child actor

He is currently studying at Chung-Ang University, majoring in the Department of Theater. He graduated from Namgang High School, an all boys high school, in 2016. With the support of his parents, he took acting lessons and eventually made his debut on the big-screen with Sad Movie (2005). As a child, Yeo wanted to appear on television and therefore asked his parents to let him try acting. He is the eldest of two siblings and has a younger brother. 2.3 2013–present: Transition to lead roles.2.1 2005–2011: Beginnings as a child actor.
