Lee Kwang-soo is a South Korean actor, entertainer and model. He made his acting debut in the sitcom Here He Comes (2008) and received further recognition for his roles in medical melodrama It's Okay, That's Love (2014), neo-noir film Confession (2014), black comedy film Collective Invention (2015), sitcom The Sound of Your Heart (2016), and drama Live (2018), and human comedy film Inseparable Bros (2019).

It's Okay, That's Love is a 2014 South Korean television series starring Zo In-sung, Gong Hyo-jin, Sung Dong-il, Lee Kwang-soo, and Doh Kyung-soo. It aired on SBS from July 23 to September 11, 2014, on Wednesdays and Thursdays at 21:55 (KST) for 16 episodes.