| Name | Character | Episodes |
|---|---|---|
| Lee Kwang-soo | Cha Joon | 16 |
| Park Jeong-min | Lee Ho-Jin | 16 |
| An So-hee | Ahn So-Hee | 16 |
| Amber Liu | Jay Jung | 16 |
| Kim Tae-ri | Self | 1 |
| Park Chan-wook | Self | 1 |
| Ha Jung-woo | Self | 1 |
| Lee Sung-min | Self | 1 |
| Kang Ha-neul | Self | 1 |
| Song Ji-hyo | Self | 1 |
| Han Ji-eun | Woman on Cha-joon's Blind Date | 1 |