Byun Sung-hyun and Koo Kyo-hwan have appeared together in 1 film in 2023. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 2023 | Kill Boksoon |
Byun Sung-hyun also often with: Sul Kyung-gu (4), Jeon Do-yeon (2), Cha Soon-bae (1), Choi Deok-moon (1), Eita Nagayama (1)
Koo Kyo-hwan also often with: Esom (2), Jun Ji-hyun (2), Lee Joo-young (2), Yeon Sang-ho (2), Chae Seo-eun (1)