Heo Chang-kang and An In-sook have appeared together in 4 films between 1968 and 1971. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1968 | Bun-nyeo | |
| 1968 | Femme Fatale, Jang Hee-bin | |
| 1968 | Potato | |
| 1971 | Bun-rye's Story |
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)
An In-sook also often with: Im Kwon-taek (5), Nam Jeong-im (5), Do Kum-bong (4), Han Eun-jin (4), Kim Ji-mi (4)