Jin-man is a full-time housekeeper who takes care of his young daughter and producer wife. When he runs into a financial trouble, he applies to a daytime quiz show and gets a chance to win big money. To his surprise, he finds himself winning one show after another.
| Actor | Role |
|---|---|
 Han Suk-kyuJo Jin-man | Jo Jin-man |
 Shin Eun-kyungKoh Soo-hee | Koh Soo-hee |
 Kim Soo-miJin-man's Mother | Jin-man's Mother |
 Gong Hyung-jinYoung-seung | Young-seung |
 Son Bum-sooQuiz Show MC | Quiz Show MC |
 Lee Hwa-sunTalk Show Panel Member | Talk Show Panel Member |
 Kim Tae-hunAD Cheon | AD Cheon |
 Seo Shin-aeDa-na | Da-na |
 Lee Joo-hyunNam-gyu | Nam-gyu |
 Park Chan-gukPD | PD |
 Ku Hye-ryeongChul-soo's Mother | Chul-soo's Mother |
 Kim Yeong-aeWriter | Writer |
| UUm Hyun-heeJu-ha | Ju-ha |
 Jung Jae-jinSoo-hee's father | Soo-hee's father |
 Lee Jae-guPD | PD |
| Kim Tae-hunAD | AD |
 Hwang Seok-jeongYang Sung-ja | Yang Sung-ja |
| GGoo Bon-imLee Geum-sim | Lee Geum-sim |
| LLee Ji-ohYoung-cheol | Young-cheol |
 Kim Hee-ryungKim Ji-hye | Kim Ji-hye |
| SSong Yeon-suHan Ae-ja | Han Ae-ja |