My Secret Terrius (TV Series)
The Witness (2018)
Full Cast & Crew
Cast (in credits order)
| So Ji-seob | ... | Kim Bon | |
| Son Ho-joon | ... | Jin Young-tae (as Ho Joon Son) | |
| Jung In-sun | ... | Go Ae-rin (as In-sun Jung) | |
| Im She-mi | ... | Yoo Ji-yeon | |
| Kim Yeo-jin | ... | Shim Eun-ha | |
| Jeong Si-a | ... | Bong Sun Mi (as Jung Shi Ah) | |
| Kang Ki-young | ... | Kim Sang-ryeol | |
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Kim Sung-joo | ... | Ra Do Woo (as Sung-joo Kim) |
| Jasper Cho | ... | K | |
| Kim Byeong-Ok | ... | Yoon Choon Sang (as Byung-Ok Kim) | |
| Rest of cast listed alphabetically: | |||
| Nam Gyu-ri | ... | Choi Yeon Kyung (as Gyu-ri Nam) | |
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Lee Hyeon-geol | ... | Park Soo-il (as Hyeon-geol Lee) |
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Park Ji-hyun | ... | Clara Choi (as Ji-Hyun Park) |
| Lee Joo-won | ... | Jo Seung Hyun [Eun Ha's son] (as Lee Joo Won) | |
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Ok Ye-rin | ... | Cha Joon-Hee |