| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Yang Hui-seung | Crew | Writing | Writer, Creator | 100 |
 Lee Jae-sang | Crew | Directing | Director, Creator | 100 |
 Kim Bo-yeon | Cast | Actress | Choi Yoon Jung | 100 |
 Ahn Kil-kang | Cast | Actor | Yang Chi Soo | 100 |
 Cheon Ho-jin | Cast | Actor | Song Young Dal | 100 |
 Cha Hwa-yeon | Cast | Actress | Jang Ok Boon | 100 |
 Lee Pil-mo | Cast | Actor | Lee Hyun [Director] | 5 |
 Oh Yoon-ah | Cast | Actress | Song Ga Hee | 100 |
 Jo Mi-ryung | Cast | Actress | Hong Yeon Hong | 100 |
 Lee Min-jung | Cast | Actress | Song Na Hee | 100 |
 Lee Sang-yeob | Cast | Actor | Yoon Gyu Jin | 100 |
 Jo Han-chul | Cast | Actor | [Loan shark] | 14 |
 Ji Il-ju | Cast | Actor | Cha Young Hoon [Da Hee's boyfriend] | 4 |
 Oh Eui-sik | Cast | Actor | Oh Jung Bong | 100 |
 Lee Jung-eun | Cast | Actress | Cho Yeon | 100 |
 Lee Sung-kyoung | Cast | Actress | Ji Sun-Kyung | 1 |
 Oh Dae-hwan | Cast | Actor | Song Joon Sun | 100 |
 Lee Cho-hee | Cast | Actress | Song Da Hee | 100 |
 Im Jung-eun | Cast | Actress | Sung Hyun Kyeong | 100 |
 Alex Chu | Cast | Actor | Lee Jung Rok | 100 |
 Kang Chan-hee | Cast | Actor | Choi Ji Won [Da Hee's classmate] | 9 |
 Lee Sang-yi | Cast | Actor | Yoon Jae Seok | 100 |
 Bae Ho-geun | Cast | Actor | Im Seung Hyun [Ga Hee's ex-husband] | 100 |
 Song Min-jae | Cast | Actor | Yoo Shi Hoo [Bo Young's son] | 100 |
 Son Sung-yoon | Cast | Actress | Yoo Bo Young [Gyu Jin's first love] | 100 |
 Shin Mi-yeong | Cast | Actress | [Dried fish shop owner] | 100 |
 Kim Hyeon-mok | Cast | Actor | Hong Sung Woo [Doctor] | 100 |
Shin Su-jung | Cast | Actress | Park Ji Yeon | 100 |
 Kim So-ra | Cast | Actress | Lee Ju Ri | 100 |
 Kim Ga-young | Cast | Actress | [Twisted bread stick shop owner] | 100 |
 Song Da-eun | Cast | Actress | Kim Ga Yeon | 100 |
 Moon Woo-jin | Cast | Actor | Kim Ji Hoon | 100 |
 Baek Ji-won | Cast | Actress | Jang Ok Ja | 100 |
 Park Sun-young | Cast | Actress | [Cho Yeon's guest] | 1 |
 Ki Do-hun | Cast | Actor | Park Hyo Shin | 100 |
 Kim Ju-Young | Cast | Actress | Song Yi | 100 |
 Lee Da-hae | Cast | Actress | Hae Yeong | 100 |
 Ri Woo-jin | Cast | Actor | Cho Yeon's father / Monk [Young] | 1 |
 Ahn Seo-Yeon | Cast | Actress | Song Seo-Jin | 100 |
 Kang Yoo-seok | Cast | Actor | Han Ki Young [Doctor] | 100 |
 Kim Nu-rim | Cast | Actor | [Lee Joo Ri's brother] | 100 |
 Park Geon-lak | Cast | Actor | [Detective] | 1 |
 Lee Ga-yeon | Cast | Actress | Song Seo-Young | 100 |
 Jang Won-hyuk | Cast | Actor | Lee Jong Soo | 100 |
 Lee Keon-gu | Cast | Actor | [Car driver] | 2 |
 Woo Hyun-seo | Cast | Actress | Yeo Jin | 100 |
 Han Bom | Cast | Actress | Oh Yeon Jin [Nurse] | 100 |
 Kim Mi-eun | Cast | Actress | Shin Hye Jeong [Doctor] | 100 |
| Person | Type | Job | Role(s) | Episodes |
