| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Shin Yoon-sub | Crew | Directing | Director | 16 |
 Park Cheol-min | Cast | Actor | Ma Sangshik (Youngsoo's boss) | 16 |
 Park In-hwan | Cast | Actor | Kim Nohwan (Youngsoo's father) | 16 |
 Kim In-kwon | Cast | Actor | Kim Youngsoo | 16 |
 Kim Soo-ro | Cast | Actor | Han Gitak | 16 |
 Ra Mi-ran | Cast | Actress | Maya | 16 |
 Lee Moon-sik | Cast | Actor | Pilot | 16 |
 Lee Ha-nee | Cast | Actress | Song Yiyeon (Jaegook's ex-wife) | 16 |
 Lee Min-jung | Cast | Actress | Shin Dahye (Youngsoo's wife) | 16 |
 Choi Won-young | Cast | Actor | Cha Jaegook (Haejoon's half-brother) | 16 |
 Oh Yeon-seo | Cast | Actress | Han Hongnan / "Han Gitak" | 16 |
 Kwak Dong-yeon | Cast | Actor | Han Gitak (Young) | 16 |
 Park Min-woo | Cast | Actor Yoo Hyeok | 16 | |
Oh Na-ra | Cast | Actress | Secretary Wang (CEO Cha's assistant) | 16 |
 Ryu Hwa-young | Cast | Actress | Actress Wang Jooyeon | 16 |
 Kang Ki-young | Cast | Actor | Jegal Gil (Gitak's subordinate) | 16 |
 Lee Re | Cast | Actress | Kim Hana (Youngsoo's daughter) | 16 |
 Yoon Park | Cast | Actor | Jeong Jihoon (Youngsoo's co-worker) | 16 |
 Oh Dae-hwan | Cast | Actor | Na Seokcheol (Gitak's rival) | 16 |
 Ahn Suk-hwan | Cast | Actor | CEO Cha (Haejoon's father) | 16 |
 Rain | Cast | Actor | Lee Haejoon / "Kim Youngsoo" | 16 |
 Lee Tae-hwan | Cast | Actor | Choi Seungjae (Gitak's subordinate) | 16 |
 Kim Gyeong-ryong | Cast | Actor | Chairman Jang | 16 |
 Kim Sun-young | Cast | Actress | Department store staff | 16 |
 Kim Kang-hoon | Cast | Actor | Cha Youngchan (Yiyeon's son) | 16 |
 Jeong A-mi | Cast | Actress | Manager No | 16 |
 Kim Bo-jeong | Cast | Actress | Park Youngeun | 16 |
 Kim Young-sun | Cast | Actress | Gitak's mother | 16 |
| Person | Type | Job | Role(s) | Episodes |
