Seo Kang-joon

In 2019, Seo starred in OCN's thriller drama Watcher as a policeman. He was cast in the JTBC romance drama When the Weather Is Fine, which is set to air on JTBC in 2020.

In 2018, Seo starred in KBS's science fiction drama Are You Human? where he played double roles as a wealthy heir and robot. The same year, he starred in romance comedy drama The Third Charm.

Seo's breakout role came in 2016 as a talented pianist in the college romance drama Cheese in the Trap. The same year, he starred in his first leading role in tvN drama Entourage, the Korean remake of the American television series of the same name.

Seo took on bit parts in various television series, before making his acting debut as with a supporting role in SBS' drama The Suspicious Housekeeper. His first major role was in the 2014 romantic comedy series Cunning Single Lady, for which he won the Best New Actor award at the 7th Korea Drama Awards. He has then appeared in television dramas What Happens to My Family? (2014–2015), Splendid Politics (2015), and To Be Continued (2015), as well as films My Love, My Bride (2014) and Summer Snow (2015).

In 2014, Seo joined the SBS variety show Roommate as a cast member. He also appeared on Law of the Jungle as a guest.

Seo Kang-joon (born Lee Seung-hwan on October 12, 1993) is a South Korean actor and singer who is a member of the group 5urprise. He gained recognition with his role in the television series Cheese in the Trap (2016) and has since starred in Entourage (2016), Are You Human Too? (2018), The Third Charm (2018) and Watcher (2019) and When the weather is fine (2020)