Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | Look Who’s Talking | 1:42 | 최승현 & 이지수 | Oldboy |
| ||||
| 1.1 | Look Who’s Talking | 1:42 | チェ・スンヨン & イ・ジス | Old Boy (Original Motion Picture Soundtrack) |
| ||||
| 1.1 | Look Who's Talking | 1:42 | Cho Young-Wuk | Oldboy |
| ||||
| 1.1 | Look Who's Talking (Opening song) | 1:44 | Cho Young-Wuk | Oldboy (Mediabook) |
| ||||