| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Park Yeon-seon | Crew | Writing | Writer, Creator | 26 |
 Ham Yeong-hoon | Crew | Production | Producer | 26 |
Lee Tae-gon | Crew | Directing | Director | 26 |
 Kim Ho-jung | Cast | Actress | Eun's mother | 5 |
 Choi Deok-moon | Cast | Actor | Oh Jong-gyu | 12 |
 Kim Hak-seon | Cast | Actor | Eun's father | 3 |
 Lee Kan-hee | Cast | Actress | Ye-eun's mother | 2 |
 Moon Sook | Cast | Actress | Belle Epoque landlady | 12 |
 Park Eun-bin | Cast | Actress | Song Ji-won | 26 |
 Yoon Jong-hoon | Cast | Actor | Seo Dong-joo | 12 |
 Nam Moon-chul | Cast | Actor | Ji-won's father | 2 |
 Min Sung-wook | Cast | Actor | Restaurant manager | 12 |
 Kim Chang-hwan | Cast | Actor | Kim Chang-hwan | 3 |
 Ji Il-ju | Cast | Actor | Ko Doo-young | 13 |
 Ji Woo | Cast | Actress | Yoo Eun-jae | 14 |
 Kim Min-seok | Cast | Actor | Seo Jang-hoon | 14 |
 Ryu Hwa-young | Cast | Actress | Kang I-na | 15 |
 Son Seung-won | Cast | Actor | Lim Sung-min | 26 |
 An Woo-yeon | Cast | Actor | Heimdal | 14 |
 Yoon Park | Cast | Actor | Park Jae-wan | 14 |
 Lee You-jin | Cast | Actor | Kwon Ho-chang | 14 |
 Cho Byeong-kyu | Cast | Actor | Cho Chung-hwan | 4 |
 Kim Jung-young | Cast | Actress | Ji-won's mother | 1 |
 Han Yeri | Cast | Actress | Yoon Jin-myung | 26 |
 Han Seung-yeon | Cast | Actress | Jeong Ye-eun | 26 |
 Shin Hyun-soo | Cast | Actor | Yoon Jong-yeol | 26 |
 Hong Seo-jun | Cast | Actor | Ye-eun's father | 1 |
 Choi Yu-hwa | Cast | Actress | Moon Hyo-jin | 2 |
 Park Hye-su | Cast | Actress | Yoo Eun-jae | 12 |
 Park Kyung-hye | Cast | Actress | New candidate for a roommate | 1 |
 Yuto Adachi | Cast | Actor | Odin | 4 |
 Shin Se-hwi | Cast | Actress | Ahn Ye-ji | 14 |
 Yoon Jin-sol | Cast | Actress | Jo Hyun-hee | 12 |
 Go Min-si | Cast | Actress | Oh Ha-na | 4 |
 Choi A-ra | Cast | Actress | Jo Eun | 14 |
 Yeo One | Cast | Actor | Týr | 4 |
 Choi Bae-young | Cast | Actress | Song Kyung-ah | 14 |
 Park Jun-hee | Cast | Actor | O membro da 5a Coluna | 1 |
 Jung Woo Seok | Cast | Actor | Thor | 4 |
Lee Kyung-sim | Cast | Actress | Eun-jae's mother | 6 |
 Ko Shin Won | Cast | Actor | Ullr | 4 |
 Jo Jin-ho | Cast | Actor | Baldur | 4 |
 Kang Hyung Gu | Cast | Actor | Freyr | 4 |
Kim Hyo-jin | Cast | Jin-myung's mother | 4 | |
 Ha Eun-seol | Cast | Han Yu-kyung | 14 | |
| Person | Type | Job | Role(s) | Episodes |
