Choi Il and Kang Boo-ja have appeared together in 3 films between 1967 and 1975. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1967 | Yeonhwa | |
| 1975 | Yeonhwa | |
| 1975 | Yeonhwa 2 |
Choi Il also often with: Im Kwon-taek (5), Kim Ki-beom (5), Choe Jun (4), Chu Bong (4), Deok-seong Jo (4)
Kang Boo-ja also often with: Chu Bong (4), Park Byeong-ho (4), Bang Su-il (3), Beak Song (3), Hong Seong-jung (3)