Kim Pan-chok is assigned to work in the sales promotion department of Yumi Inc., a sweetener manufacturer. He falls ill after a heated sales war with Gammi Inc., a leading competitor and is hospitalized. He devises a genius plan while in the hospital.
| Actor | Role |
|---|---|
 Ahn Sung-kiKim Pan-chok | Kim Pan-chok |
 Lee Hye-youngSung So-bee | Sung So-bee |
 Choi BongIsa Gu | Isa Gu |
 Han Tae-ilOh Ga-gang | Oh Ga-gang |
 Moon Chang-gilMister Jeong | Mister Jeong |
| LLim Myeong-SeongMr. Han | Mr. Han |
| KKim Eun-sukNot listed | Not listed |
 Jung JinNot listed | Not listed |
 Kim Ki-beomNot listed | Not listed |
 Na Han-ilNot listed | Not listed |
| SSin Chung-sikNot listed | Not listed |
| MMun Chang-geunNot listed | Not listed |
| NNoh Sa-kangNot listed | Not listed |
 Park Yong-palNot listed | Not listed |
 Yeo Kyun-dongNot listed | Not listed |
 Jeong Seong-moNot listed | Not listed |
 Kim Eui-sungNot listed | Not listed |
| MMin Bok-giNot listed | Not listed |
 Kim Kyeong-ranNot listed | Not listed |