Lee Yong-woo pursued his higher education at the Korea National University of Arts, where he graduated with a degree in Dance. He began his career as a modern dancer, gaining recognition for his talent and unique style in the performing arts. His dance background has significantly influenced his artistic approach, which he later transitioned into modeling and acting.
He made his acting debut in 2009 with the television series Style, where he played a supporting role. Since then, he has expanded his acting portfolio across various television dramas and films. Lee Yong-woo is known for his ability to portray a diverse range of characters, often bringing a nuanced physical expressiveness derived from his dance training.
His notable television appearances include roles in Warrior Baek Dong-soo (2011), The K2 (2016), Voice 3 (2019), Do Do Sol Sol La La Sol (2020), and Military Prosecutor Doberman (2022). His film credits include The Beat Goes On (2010). Lee Yong-woo continues to be an active presence in the South Korean entertainment industry, celebrated for his unique artistic contributions.