최홍일

Kim Yong-bok

Choi Yeong-han / Recycling Plant Worker

Park Dong-sik

Ryu Il-ho

Ji-man

Mr Han

Ha Taek-soo

Jang So Chul

Profiler Suk

Profiler Suk [Seo Yeong's superior]

Lee Kyung-jin

Hee-yeol's Father

Ahn Su-young

Dong-ju's Father

Police Commissioner

Hunter

Woo-ma king

Kim Jun-ho

Veterinarian