Directed by
| Ku Hye-Sun | ||
Writing Credits (in alphabetical order)
| Ku Hye-Sun | ||
Cast (in credits order)
| Ku Hye-Sun | ... | San-yi | |
| Shim Hye-jin | ... | San-yi's mother | |
| Jung Ji-so | ... | San-yi (young) | |
| Yoon Da-kyung | ... | Piano teacher | |
 |
Lee Hae-woo | ... | Jin-woo (as Hae-woo Lee) |
Music by
| In-young Choi | ||
