| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Lee Na-jeong | Crew | Directing | Director, Creator | 12 |
 Han A-reum | Crew | Writing | Writer | 12 |
 Min Kyung-jin | Cast | Actor | Pharmacist | 1 |
 Lee Bo-young | Cast | Actress | Lee Sang-a | 5 |
 Lee Han-na | Cast | Actress | Han-na | 12 |
 Choi Jin-ho | Cast | Actor | Mun Jeong-hun | 12 |
 Lee Hae-yeong | Cast | Actor | Lee Sang-hyuck | 12 |
 Kim Jae-man | Cast | Actor | MI Mobility team leader | 1 |
 Shin Hye-sun | Cast | Actress | Ban Ji-eum | 12 |
 Lee Jae-kyoon | Cast | Actor | Kim Jung-ho | 6 |
 Kim Yu-mi | Cast | Actress | Cho Yu-seon (young) | 7 |
 Ha Yoon-kyung | Cast | Actress | Yoon Cho-won | 12 |
 Ahn Bo-hyun | Cast | Actor | Mun Seo-ha | 12 |
 Lee Mi-yun | Cast | Actress | Seo-ha's aunt | 1 |
 Lee Chae-min | Cast | Actor | Kang Min-gi | 12 |
 Bae Hae-seon | Cast | Actress | Jang Yeon-ok | 12 |
 Baek Seung-chul | Cast | Actor | Ban Hak-soo | 3 |
 Jeong Seon-cheol | Cast | Actor | Im Chang-su | 3 |
 Kim Yong-jin | Cast | Actor | MI Hotel staff | 1 |
 Jung Hyeon-jun | Cast | Actor | Mun Seo-ha (young) | 12 |
 Kim Si-a | Cast | Actress | Yoon Ju-won | 12 |
 Choi Yoon-bin | Cast | Actor | Ji-eum's past life | 1 |
 Cha Chung-hwa | Cast | Actress | Kim Ae-gyeong | 12 |
 Jung Chan-hoon | Cast | Actor | Ju-won's father | 2 |
 Park So-yi | Cast | Actress | Ban Ji-eum (young) | 12 |
 Han Jae-yi | Cast | Actress | Cheon Ga-hui | 1 |
 Ahn Dong-gu | Cast | Actor | Ha Do-yun | 12 |
 Park Jung-eon | Cast | Actress | Plant Cafe owner | 2 |
 Moon Dong-hyeok | Cast | Actor | Ban Dong-u | 12 |
 Chae Jong-hyeop | Cast | Actor | Bok-dong | 7 |
 Song Hoon | Cast | Actor | MI Hotel chef | 1 |
 Kim Yi-kyeong | Cast | Actress | Mi-ae | 2 |
 Kim Do-young | Cast | Actor | Seo-ha's uncle | 1 |
 Nam Jin-bok | Cast | Actor | Bang Ho-sik | 3 |
 Jung You-me | Cast | Actress | Hae-wol's mother | 4 |
 Kim Geon-u | Cast | Actor | Ha Do-yun (young) | 2 |
 Hong Lu-hyeon | Cast | Actress | Pedestrian solicitor | 1 |
 Kim Geu-lim | Cast | Actress | Ji-eum's 10th life | 2 |
 Gi So-you | Cast | Actress | Yoon Cho-won (young) | 12 |
 Bin Chan-uk | Cast | Actor | Chan-hyeok | 12 |
 Lee Si-woo | Cast | Actor | Ha Do-jin | 12 |
 Ryu Hae-jun | Cast | Actor | Lee Ji-seok | 12 |
 Kang Hyun-oh | Cast | Actor | Yang-sik | 4 |
Kang Myeong-ju | Cast | Actress | Cho Yu-seon | 12 |
| Person | Type | Job | Role(s) | Episodes |
