| Year | Title | Role | Venue | Date | Ref. |
| English | Korean |
| 2009 | New Boeing Boeing | 뉴 보잉보잉 | Sung-ki | Daehakro Doore Hall 3 | — | |
| 2012 | Sherlock: The Secret of Birlstone | 셜록 : 벌스톤의 비밀 | Dr. Watson | Noeul Small Theater | August 1 to September 23, 2012 | |
| 2013 | New Boeing Boeing | 뉴 보잉보잉 | Sung-ki | Changwon Seongsan Art Hall Small Theater | December 18 to 22, 2013 | |
| 2013–2014 | Words I Couldn't Say for 7 Years | 7년동안 하지 못한 말 | In-ho | Daehakro Moonlight Theater | December 17, 2013, to March 30, 2014 | |
| 2014 | New Boeing Boeing | 뉴 보잉보잉 | Sung-ki | Cheongju Somyeong Art Hall | January 22 to February 23, 2014 | |
| Words I Couldn't Say for 7 Years | 7년동안 하지 못한 말 | In-ho | Figaro Art Hall in Seongnam-dong, Jung District, Ulsan | February 4 to April 4, 2014 | |
| Gu Sangsang Art Hall, Daejeon | April 3 to June 1, 2014 | |
| SM Art Hall 3 | April 15 to May 4, 2014 | |
| Rooftop House Cat | 옥탑방 고양이 | Lee Kyung-min | Daehakro Tintin hall | Season 10 (from August 4, 2014) | |
| 2015 | Season 11 (from February 9, 2015) | |
| Season 12 (from August 2015) | |
| Purpose of Love | 연애의 목적 | Choi Ji-sung | A Art Hall | February 12 to June 21, 2015 | |
| CK Art Hall | August 7 to September 6, 2015 | |
| True West | 트루웨스트 | Austin | A Art Hall | August 13 to November 1, 2015 | |
| Rooftop House Cat | 옥탑방 고양이 | Lee Kyung-min | CK Art Hall | November 3 to 29, 2015 | |
| 2015–2016 | Kiss of the Spider Woman | 거미여인의 키스 | Valentin | Sinyeon Art Hall (A Art Hall) | November 7, 2015, to January 31, 2016 | |
| Rooftop House Cat | 옥탑방 고양이 | Lee Kyung-min | Shindorim Prime Art Hall | December 3, 2015, to February 28, 2016 | |
| 2016 | Almost, Maine | 올모스트 메인 | East, Lendall, Chad, Dave | Sangmyung Art Hall 1 | January 8 to July 3, 2016 | |
| True West Returns | 트루웨스트 리턴즈 | Austin | Yegreen Theater | June 24 to August 28, 2016 | |
| Closer | 클로저 | Dan | September 6 to November 13, 2016 | |
| Voice of Millennium | 보이스 오브 밀레니엄 | Hyung-seok | Dongsung Art Center Small Theater | November 5 to December 31, 2016 | |
| 2017–2018 | Kiss of the Spider Woman | 거미여인의 키스 | Valentin | Art One Theater 2 | December 5, 2017, to February 25, 2018 | |
| 2019–2020 | Memory in Dream | 메모리 인 드림 | Eden | Haeoreum Arts Theater | November 8, 2019 – January 19, 2020 | |
| 2021 | Ice | 얼음 | Detective 2 Lee Jong-ryeol | Sejong Center S Theater | January 8 to March 21, 2021 | |
| Seongnam Arts Center | May 14 to 16, 2021 | |
| 2022 | Touching the Void | 터칭 더 보이드 | Joe | Art One Theatre 2 | July 8 to September 18, 2022 | |
| 2023–2024 | Realise Happiness | 행복을 찾아서 | Kim Woo-jin | Daehak-ro TOM 2 | December 5 to February 18 | |
| 2026 | Secret Passage: Interval | 비밀통로 : Interval | Dong-jae | NOL Theater, Middle Theater | February 13 to May 3 | |
