Im Hwa-young

Yoon Seo-young

Sung Dong-il

Ko Dong-kook

Lee Seo-jin

Kang Woo-hyun

서영희

Shin Yeon-soo

Kim Kwang-kyu

Jang Man-ho

Jo Dal-hwan

Bae Nam-Soo

Byun Hee-bong

Kim Shin-woo

장성범

Park Sung-Bum

장원형

Ho-gae

Yoon Kyeong-ho

Mr. Yoon [Coffee owner]

Lee Ju-bin

Kim Shi Hyun [Woo Hyun's secretary]

Lee Si-hoon

Young Master

Dong Hyun-bae

Reporter Seo

Oh Han-kyul

Gang Shi Woo [Woo Hyun's son]

최홍일

Profiler Suk [Seo Yeong's superior]

오륭

Hong Won Tae [Representative]

Lee Na-ra

Park Sun-mi (Go Min-joo's mother)

Choi Myeong-bin

Go Min Joo [Dong Gook's daughter]

곽민호

Detective Gwang Su Dae

Choi Jae-sub

Reporter Go

Oh Chang-kyung

Yang Duk Chul [Detective]

Baek Ji-won

Mrs. Jo

Kwon Hyeok-beom

[Mrs. Jo's subordinate]

Oh Man-seok

[Hunter]

김미지

ER Nurse