| Name | Type | Role | |
|---|---|---|---|
| Yeo Chang-Gu | Guest Star | Yeo One | |
| Adachi Yuto | Guest Star | Adachi Yuto | |
| Yang Hong-seok | Guest Star | Yang Hong Seok | |
| Kang Hyung-gu | Guest Star | Kino | |
| Lee Hoe-taek | Guest Star | Hui | |
| Jung Woo-seok | Guest Star | Jung Woo Seok | |
| Ko Shin-won | Guest Star | Ko Shin-won |