Ku Bong-seo and Heo Chang-kang have appeared together in 11 films between 1961 and 1976. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1961 | A Dream of Fortune | |
| 1961 | Iljimae the Chivalrous Robber | |
| 1961 | Seong Chunhyang | |
| 1961 | Under the Sky of Seoul | |
| 1964 | The Power for Ten Years | |
| 1966 | A Story of a Nobleman | |
| 1966 | Forlorn Hope | |
| 1968 | A Bride on the Second Floor | |
| 1969 | A Man And a Gisaeng | |
| 1970 | That's the Sky of Seoul | |
| 1976 | Seong Chun-Hyang |
Ku Bong-seo also often with: Kim Hee-kap (14), Do Kum-bong (11), Yang Hoon (10), Choi Sam (9), Hwang Jeong-sun (9)
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)