This hateful world only allows handsome guys to date! 'Below average guy' and Chinese restaurant delivery guy Kang Dae-oh was born single and solo until now. He has a crush on college girl Ye-rin whom he fell in love with at first sight but is blocked by her spec and hasn't been able to tell her his feelings yet.
| Actor | Role |
|---|---|
 Kim In-kwonKang Dae-oh | Kang Dae-oh |
 Yoo Da-inSeo Ye-rin | Seo Ye-rin |
 Cho Jung-seokHwang Young-min | Hwang Young-min |
 Park Cheol-minHwang Bi-hong | Hwang Bi-hong |
 Kwon Hyun-sangNam-jeong | Nam-jeong |
 Kim Ki-bangBong-soo | Bong-soo |
 Shin Jung-keunPolice officer So | Police officer So |
 Ko Chang-seokPolice officer Kim | Police officer Kim |
 Lee Du-ilPark | Park |
 Shin Hyun-beenReporter | Reporter |
 Kim In-wooAnchor | Anchor |
 Kim Wan-sunTV star | TV star |
| YYoo Dam-heeHye-suk | Hye-suk |
 Choi ShangYook Jung-yub | Yook Jung-yub |
 Darcy PaquetAndrey | Andrey |
 Ahn Yong-junYi-gyeong | Yi-gyeong |
 Park Young-seoJang | Jang |
 Jo Kyung-hyunHyun-geun | Hyun-geun |
 Cha Chung-hwaDong-sook | Dong-sook |
| KKhan Mohammad AsaduzzmanAnchor | Anchor |
| IIm Jin-taekIntelligence | Intelligence |
 Lee Kyu-seopRiot Police Officer 3 | Riot Police Officer 3 |