Yoon Il-bong and Jeong So-yeong have appeared together in 4 films between 1976 and 1980. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1976 | I Confess | |
| 1979 | The Man I Left | |
| 1979 | 마지막 찻잔 | |
| 1980 | You Are My Destiny |
Yoon Il-bong also often with: Park Am (7), Shin Seong-il (7), Yu Hyun-mok (7), Hwang Jeong-sun (6), Jo Mi-ryeong (6)
Jeong So-yeong also often with: Lee Yeong-ha (3), Moon Hee (2), Shin Young-kyun (2), Han Eun-jin (1), Han Mi-yeong (1)