Crystal Kay and Choi Seong-guk have appeared together in 1 film in 2015. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 2015 | Seoul Searching |
Crystal Kay also often with: Akiko Iwase (1), Albert Kong (1), Alicia Vikander (1), Benson Lee (1), Cha In-pyo (1)
Choi Seong-guk also often with: Albert Kong (1), Benson Lee (1), Cha In-pyo (1), Choi Gwi-hwa (1), David Lee McInnis (1)