Um Aing-ran and Choi Nam-hyun have appeared together in 9 films between 1959 and 1966, with a combined box office of $38,747. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1959 | Even the Clouds Are Drifting | |
| 1959 | The Independence Association and Young Syngman Rhee | |
| 1960 | The Housemaid | $35,687 |
| 1962 | Farewell to the Duman River | $3,060 |
| 1962 | The Story of Jang-hwa and Hong-ryeon | |
| 1963 | Bloodline | |
| 1965 | The Field Glow with the Setting Sun | |
| 1965 | The North and South | |
| 1966 | River of Farewell |
Um Aing-ran also often with: Hwang Jeong-sun (16), Shin Seong-il (14), Kim Seung-ho (13), Hwang Hae (10), Heo Chang-kang (9)
Choi Nam-hyun also often with: Hwang Jeong-sun (25), Heo Chang-kang (19), Kim Ji-mi (17), Kim Shin-jae (17), Kim Seung-ho (16)