| english title | The Customer is Always Right |
| original title | 손님은 왕이다 |
| french title | Le client est roi |
| year | 2006 |
| country | Korea |
| director | OH Ki-Hyeon - 오기현 | |
| actor | SEONG Ji-Ru - 성지루 | Ahn Chang-Jin |
| MYUNG Gye-Nam - 명계남 | Kim Yang-Kil | |
| LEE Seon-Gyun - 이선균 | ||
| SEONG Hyeon-ah - 성현아 | ||
| PARK Cheol-Min - 박철민 | ||
| LEE Jae-gu - 이재구 | ||
| composer | JEONG Jae-Hwan - 정재환 | |
| scriptwriter | OH Ki-Hyeon - 오기현 | |
| artistic director | JO Nam-Hyeok - 조남혁 | |
| editor | MOON In-Dae - 문인대 | |
| cinematographer | JANG Seong-Baek - 장성백 | |
| costumes | SONG Seon-Yi - 송선이 |
| genres | thriller |
| duration | 104 min |
| distributor | Cinema Service |
| financing studio | CJ Entertainment |
