| Name | Character | Episodes |
|---|---|---|
| Cha Hak-yeon | Park Gwang-Ho | 16 |
| Ryu Tae-ho | Jang Yeong Cheol | 2 |
| Jeong Seok-yong | Dr. Kim [Forensic Pathologist, 1986] | 1 |
| Lee Yong-nyeo | Yoo Ok Hee | 1 |
| Kim Min-kyung | Ah Ra's mother | 1 |
| Joey Albright | LT Jim Headley [Tiffany's soldier boyfriend] | 1 |
| Jeon Jin-gi | Kim In Hwan | 1 |