| Name | Character | Episodes |
|---|---|---|
| Song Jae-rim | Kim Seo-Joon | 2 |
| Choi Seung-yoon | 2 | |
| Byeon Woo-seok | 1 | |
| Kang Mi-na | 1 | |
| Cho Yeo-jeong | 1 | |
| Roh Jeong-eui | 1 | |
| Kim Hee-seon | Herself (Cameo) | 1 |
| Yoon Kyung-ho | CEO Geum | 1 |
| Lee Hee-jun | 1 | |
| Teo Yoo | 1 | |
| Kang Ye-won | 1 | |
| Yoon Jin-seo | 1 | |
| Kim Ju-hun | 1 | |
| Jo Woo-jin | 1 | |
| Cha Hak-yeon | 1 | |
| Lee Ju-seung | 1 | |
| An So-hee | 1 | |
| Cho Soo-hyang | 1 | |
| Park Hee-von | 1 | |
| Cha Rae-hyung | 1 | |
| Lee Chun-hee | 1 | |
| Kim Joo-ryoung | Im Sung-Hee | 1 |