| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Shin Yong Hwi | Crew | Directing | Director | 16 |
 Lee Eun-mi | Crew | Writing | Writer | 16 |
 Park Jeong-hak | Cast | Actor | Senior police officer | 1 |
 Jeong Seok-yong | Cast | Actor | Dr. Kim [Forensic Pathologist, 1986] | 1 |
 Oh Youn-hong | Cast | Actress | Madam Jeong [Teahouse manager] | 1 |
 Kim Byung-chul | Cast | Actor | Kwak Tae-Hee | 16 |
 Choi Jin-hyuk | Cast | Actor | Park Gwang-Ho | 16 |
 Jo Hee-bong | Cast | Actor | Jeon Sung-Sik | 16 |
 Kim Jung-hak | Cast | Actor | Kim Wan | 16 |
 Park Myung-shin | Cast | Actress | Lee Sun Ok | 16 |
 Cho Seung-yeon | Cast | Actor | Police Station Section Head Chief | 16 |
 Jo Si-nae | Cast | Actress | Kim Young Ja | 2 |
 Moon Sook | Cast | Actress | Hong Hye Won | 16 |
 Kim Dong-young | Cast | Actor | Jun Sung Shik [Young] | 16 |
 Woo Hyeon | Cast | Actor | Go Man Seok | 1 |
 Jeon Jin-gi | Cast | Actor | Kim In Hwan | 1 |
 Ryu Tae-ho | Cast | Actor | Jang Yeong Cheol | 2 |
 Choi Won-hong | Cast | Yoon Dong Woo | 1 | |
 Jin Yong-uk | Cast | Actor | Lee Dae Hwan | 1 |
 Ahn Yong-jun | Cast | Actor | Kim Hee Joon | 1 |
 Jung Han-bi | Cast | Actress | Yoon Yeong Joo | 1 |
 Lee You-young | Cast | Actress | Shin Jae-Yi | 16 |
 Cha Hak-yeon | Cast | Actor | Park Gwang-Ho | 16 |
 Yoon Hyun-min | Cast | Actor | Kim Sun-Jae | 16 |
 Kang Ki-young | Cast | Actor | Song Min-Ha | 16 |
 Kim Min-sang | Cast | Actor | Mok Jin-Woo | 16 |
 Lee Yong-nyeo | Cast | Actress | Yoo Ok Hee | 1 |
 Seo Eun-ah | Cast | Actress | Kim Mi Soo | 1 |
 Song Jae-ryong | Cast | Actor | Kim Kyung Tae | 1 |
 Kim Hye-yoon | Cast | Actress | Kim Young Ja [Young] | 2 |
 Yoon Jin-sol | Cast | Actress | Da Yeong's friend | 16 |
 Heo Sung-tae | Cast | Actor | Jung Ho Young | 16 |
 Suh Yun-a | Cast | Actress | Pregnant woman | 1 |
 Joey Albright | Cast | Actor | LT Jim Headley [Tiffany's soldier boyfriend] | 1 |
 Choi Myeong-been | Cast | Actress | Yoon Soo Jung | 1 |
 Lee Xia | Cast | Actress | Shin Yun Suk | 16 |
 Yang Joo-ho | Cast | Actor | Oh Ji Hoon [Reporter, 1986] | [Taxi Driver, 2017] | 16 |
 Choi Seung-hoon | Cast | Actor | Mok Jin Woo [Child] | 16 |
 Jung Yi-rang | Cast | Actress | Lee Geum Soon | 1 |
 Jeong Sun-won | Cast | Actor | Thief | 1 |
 Im Kang-sung | Cast | Actor | Ma Young Gil | 1 |
 Ham Seong-min | Cast | Actor | Jung Ho Yeong [Young] | 16 |
 Hong Gi-jun | Cast | Actor | Detective | 16 |
 No Tae-yeob | Cast | Actor | Mok Jin Woo [Young] | 16 |
 Lee Young-hee | Cast | Actress | Jung Sook's mother | 16 |
 Kim Min-kyung | Cast | Actress | Ah Ra's mother | 1 |
 Song Yeong-jae | Cast | Actor | Kim Tae Soo | 2 |
 Seok Bo-bae | Cast | Actress | Seo Hee Soo | 16 |
 Han Yeo Wool | Cast | Actress | Hwang Choon-Hee | 2 |
 Kim Jong Ho | Cast | Actor | Tailor shop president | 1 |
 Ahn Su-bin | Cast | Actress | Lee Seo Yeon | 1 |
 Park Jae-Won | Cast | Actor | Photo Journalist | 1 |
| Person | Type | Job | Role(s) | Episodes |
