Sul Kyung-gu

["Chief detective Hwang"]

Jung Woo-sung

["James"]

Han Hyo-joo

["Detective Ha Yoon-joo"]

Lee Jun-ho

["Detective Squirrel"]

Kim Byeong-ok

["Mysterious Broker"]

Na Chul

["Arrest team"]

Lee Dong-hwi

["Haengmoosae"]

Lee Hyun-gyun

["Control M"]