Gangnam B-Side

Jo Woo-jin

Kang Dong-woo

Ji Chang-Wook

Yoon Gil-ho

Ha Yoon-kyung

Min Seo-jin

Bibi

Kim Jae-Hee ('Jenny')

Bong-sik Hyun

Kim Jang Ho

Man-sik Jeong

Tak Joo-Il

Oh Ye-ju

Kang Ye-seo (Dong-woo's daughter)

Hye-young Ryu

Seo Ji-Su

Im Sung-jae

Psyche

Rae-Hyung Cha

('K')

Jeong Jaekwang

MD Jeong-kwon

Jong-soo Kim

Choi Hak-Gu

Choi Kwang-il

Moon Chul-Sung

Ja-Yeon Ok

Choi Soo-In

Park So-Ri

Ryu Hyeon-Kyung

Choi Seong-Hyuk

Jwipo

Park Joo-won

Lee Jung-Hwa

Hyun-sung Lim

Detective team leader