| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Oh Choong-hwan | Crew | Directing | Director | 12 |
 Park Hye-ryun | Crew | Writing | Writer, Creator | 12 |
 WINTER | Crew | Sound | Theme Song Performance | 12 |
 Hyunjae | Crew | Sound | Songs | 1 |
 New | Crew | Sound | Songs | 1 |
 Sangyeon | Crew | Sound | Songs | 1 |
 Sunwoo | Crew | Sound | Songs | 1 |
 Jacob | Crew | Sound | Songs | 1 |
 Eric | Crew | Sound | Songs | 1 |
 Kim Hyo-jin | Cast | Actress | Yoon Ran-joo | 12 |
 Oh Ji-hye | Cast | Actress | Dr. Kim | 1 |
 Moon Sook | Cast | Actress | Ko San-hee | 3 |
 Choi Jae-hwan | Cast | Actor | Jae-sik | 4 |
 Kim Bi-bi | Cast | Actress | House of Shared Love staff | 1 |
 Park Eun-bin | Cast | Actress | Seo Mok-ha | 12 |
 Lee Seung-joon | Cast | Actor | Jung Bong-wan | 12 |
 Min Sung-wook | Cast | Actor | Lee Ji-gwang | 1 |
 Oh Eui-sik | Cast | Actor | Bong Du-hyeon | 2 |
 Cha Hak-yeon | Cast | Actor | Kang Woo-hak | 12 |
 Lee Re | Cast | Actress | Seo Mok-ha (young) | 12 |
 Lee Yoo-jun | Cast | Actor | Seo Jeong-ho | 12 |
 Kim Min-seok | Cast | Actor | Han Dae-woong | 12 |
 Woo Hyun-ju | Cast | Actress | Ko San-hee (50s) | 1 |
 Cha Mi-kyeong | Cast | Actress | Diner Owner | 1 |
 Seo Jeong-yeon | Cast | Actress | Song Ha-jeong | 12 |
 Jeong Seon-cheol | Cast | Actor | Yong-gu | 4 |
 Lee Jung-ok | Cast | Actor | Kang Sang-doo | 12 |
 Park Mi-sook | Cast | Actress | Ms. Cha | 3 |
 Shin Joo-hyup | Cast | Actor | Park Yong-gwan | 12 |
Kang Woo-je | Cast | Actor | Investor | 1 |
 Moon Woo-jin | Cast | Actor | Jung Ki-ho | 12 |
 Kim Ju-hun | Cast | Actor | Lee Seo-joon | 12 |
 Lee Min-goo | Cast | Actor | Photo couple | 1 |
 Oh Gyeong-hwa | Cast | Actress | Moon Young-joo | 12 |
 Chae Jong-hyeop | Cast | Actor | Kang Bo-geol | 12 |
 Yoon Jung-hoon | Cast | Actor | Ahn Dong-min | 12 |
 Choi Yi-sun | Cast | Actor | Apartment resident | 2 |
 Kim Bo-jeong | Cast | Actress | Hong Yeon-kyeong | 12 |
 Jung Ji-hyeon | Cast | Actress | Writer Lee | 4 |
Kim So-suk | Cast | Actress | Flower shop owner | 1 |
 Park Hui-eun | Cast | Actress | Caregiver | 1 |
 Jung Hyung-suk | Cast | Actor | Sung-hwan | 3 |
 Song Gyeong-cheol | Cast | Actor | Hwang Byung-gak | 3 |
 Lee Ga-yeon | Cast | Actress | Eun Mo-rae (young) | 1 |
 Son Sang-gyu | Cast | Actor | Detective Ji | 1 |
 Bae Gang-hee | Cast | Actress | Eun Mo-rae | 12 |
 Oh Kyu-taek | Cast | Actor | Officetel staff | 1 |
 Ahn Su-bin | Cast | Actress | Reporter | 1 |
Kang Myeong-ju | Cast | Actress | Bar owner | 1 |
Chae Song-hwa | Cast | Actress | Lawyer | 1 |
 Yoon Cha-young | Cast | Actress | Woman waiting at the bus stop | 1 |
 Lee Chae-yoon | Cast | Actress | Byung-gak's ex-wife | 1 |
| Person | Type | Job | Role(s) | Episodes |
