Park Seo-ham

Park Gyeong-bok (born October 28, 1993), known professionally as Park Seo-ham, is a South Korean actor, former singer, and rapper. He is a former member of the South Korean boyband KNK. As an actor, he is best known for his role as Jang Jae-young in the web novel-adapted BL drama series Semantic Error.

Pre-debut
Along with fellow KNK member Inseong, he used to train under Big Hit Entertainment, now known as Big Hit Music where he trained with the members of the boy group BTS. When he moved to JYP Entertainment, he became an actor trainee after he won second place at the company's 10th Open Audition on February 19, 2013.

Before debuting with KNK, he was a backup dancer for the live performances of Bestie's "Zzang Christmas" as well as "I Need You".

2016–2021: Debut with KNK
Park made his official debut as one of the five members of KNK on March 3, 2016, with the name Park Seung-jun. In 2018, he changed his name to Park Seo-ham. This is his third name following the change of Park Gyeong-bok to Park Seung-jun.

On September 30, 2021, it was announced that he has decided to leave KNK and 220 Entertainment after long discussions with the members regarding the future of his career.

2022–present: Semantic Error and Npio Entertainment
On January 12, 2022, Park confirmed as the lead actor in the live series adaption of Semantic Error, based from a popular South Korean BL web novel of the same name. He starred as Jang Jae-young, alongside DKZ member Park Jae-chan as his character's love interest Chu Sang-woo.

On March 7, 2022, Npio Entertainment announced they signed an exclusive contract with Park ahead of his military enlistment.

Military service
On March 4, 2022, Sports Chosun released an interview with Park where they revealed that he would fulfill his mandatory military service as a social worker on March 10. Park completed his military service and was discharged on December 9, 2023.