Heo Chang-kang and Seong So-min have appeared together in 7 films between 1957 and 1972, with a combined box office of $6,817. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1957 | Palace of Ambition | |
| 1960 | A Drifting Story | |
| 1960 | Soil | |
| 1961 | Evergreen Tree | |
| 1968 | Prince Daewon | $6,817 |
| 1970 | Great King Sejo | |
| 1972 | Cruel history of Myeong Dong |
Heo Chang-kang also often with: Do Kum-bong (27), Hwang Jeong-sun (24), Kim Hee-kap (20), Choi Nam-hyun (19), Kim Jin-kyu (18)
Seong So-min also often with: Park Am (9), Kim Jin-kyu (8), Jo Hang (7), Ju Seon-tae (7), Kim Seung-ho (7)