| Name | Character | Episodes |
|---|---|---|
| Lee Ha-na | Kang Kwon-ju | 58 |
| Jang Hyuk | Mu Jin-hyuk | 16 |
| Yoon Ji-min | Jang Gyu-A | 16 |
| Son Jong-hak | Kang Kook-Hwan | 16 |
| Song Seung-heon | Derek Jo | 14 |
| Yoo Seung-mok | Na Hong-Soo | 12 |
| Lee Tae-ri | Romoyuki [Broker/Host] | 1 |
| Hwang Jae-yeol | [Gambling House Manager] | 1 |