| Episode credited cast: |
 | Do-yeon Jeon | - | Jae-hee Yoon |
 | Ju-hyuk Kim | - | Sang-hyeon Choi (as Kim Joo Hyuk) |
 | Min-Joon Kim | - | Young-woo Ji (as Min-jun Kim) |
| Rest of cast listed alphabetically: |
 | Jung-woo Ha | - | Dong-nam Ahn (Jae-hee's bodyguard) |
 | Keun-Suk Jang | - | Geun-hee Yoon (as Geun-seok Jang) |
 | Yoon Young Joon | - | Yun-ku Seo |
| Dong-hwan Jung | - | Kyeong-hwan Ji (Young-woo's father) |
| Na-woon Kim | - | Kwang-ja Shin |
| Seung-wook Kim | - | Dal-ho Hwang (Sang-hyeon's partner) |
| Ji-min Kwak | - | Yeon-soo Jung |
| Andy Lee | - | Seung-woo Ji (Young-woo's younger half brother) |
| Jeong-kil Lee | - | Jeong-han Yoon |
| Jae-min Park | - | Mrs. Young |
| Aki Shibuya | - | Japanese diplomat |
 | Eun-kyung Shim | | |
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