| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Yoo Young-a | Crew | Writing | Writer, Creator | 12 |
Kim Sang-ho | Crew | Directing | Director, Creator | 12 |
 Park Ji-il | Cast | Actor | Cha Yoo-hyuk | 12 |
 Lee Kan-hee | Cast | Actress | Yeon Jung-hwa | 12 |
 Cho Won-hee | Cast | Actor | Kim Jung-taek | 12 |
 Son Ye-jin | Cast | Actress | Cha Mi-jo | 12 |
 An So-hee | Cast | Actress | Kim So-won | 12 |
 Kim Bi-bi | Cast | Actress | Angry wife’s friend | 1 |
 Han Bo-reum | Cast | Actress | Actress | 1 |
 Yeon Woo-jin | Cast | Actor | Kim Sun-woo | 12 |
 Yim Si-wan | Cast | Actor | Himself | 1 |
 Kim Kwon | Cast | Actor | Actor | 1 |
 Lee Tae-hwan | Cast | Actor | Park Hyun-joon | 12 |
 Kim Ji-hyun | Cast | Actress | Jang Joo-hee | 12 |
 Lee Moo-saeng | Cast | Actor | Kim Jin-seok | 12 |
 Kang Tae-oh | Cast | Actor | Part-time worker | 1 |
 Nam Kee-ae | Cast | Actress | Park Jung-ja | 12 |
 Seo Hyeon-cheol | Cast | Actor | Jeong Hong-sik | 12 |
 Park Jin-young | Cast | Actor | Psychiatrist | 1 |
 Kim Saet-byeol | Cast | Actress | Jane's co-worker | 1 |
 Kang Mal-geum | Cast | Actress | Cha Mi-hyeon | 12 |
 Jeon Seok-chan | Cast | Actor | Dr. Kim | 3 |
 Oh Se-young | Cast | Actress | Jo Hye-jin | 12 |
 Song Kyung-a | Cast | Actress | Real estate agent | 1 |
 Song Hoon | Cast | Actor | Photographer | 1 |
 Seo Ji-young | Cast | Actress | Lee Gyeong-suk | 12 |
 Lee Ji-hyeon | Cast | Actress | Kim Kyung-ae | 12 |
 Kang Ae-sim | Cast | Actress | Orphanage director | 3 |
 Jeon Mi-do | Cast | Actress | Jeong Chan-young | 12 |
 Hwang Bo-reum-byeol | Cast | Actress | Actress | 1 |
 Park Jung-eon | Cast | Actress | Cake shop owner | 2 |
 Song Min-ji | Cast | Actress | Kang Sun-ju | 12 |
 Choi Nam-wook | Cast | Actor | Host club customer | 1 |
 Kim Seong-yong | Cast | Actor | Host club customer | 1 |
 Jang Ui-don | Cast | Actor | Creditor | 1 |
 Jang Jae-kwon | Cast | Actor | High school teacher | 1 |
 Jeon Kwang-jin | Cast | Actor | Suk-hoon | 2 |
 Shin So-hyeon | Cast | Actress | Cha Mi-jo (teen) | 3 |
 Park Jae-Joon | Cast | Actor | Choi Hoon | 12 |
 Im Jae-min | Cast | Actor | Detective | 1 |
 Han Su-ah | Cast | Actress | Hye-jin's friend | 1 |
 Ha Sun-ho | Cast | Actress | Jeong Chan-young (teen) | 3 |
 Sun Yul-woo | Cast | Actor | Security personnel | 1 |
 Park Jin-young | Cast | Actress | Clothing saleswoman | 1 |
 Noreen Joyce Guerra | Cast | Actress | Girl at the restaurant | 1 |
 Kim Su-ol | Cast | Actress | Nurse | 3 |
 Kim Min-che | Cast | Actress | Hospital patient | 1 |
| Person | Type | Job | Role(s) | Episodes |
