Full Cast — Good Boy (2025)

Park Bo-gum

Yun Dong-ju

Kim So-hyun

Ji Han-na

Oh Jung-se

Min Joo-young

Lee Sang-yi

Kim Jong-hyeon

Heo Sung-tae

Ko Man-sik

Tae Won-seok

Shin Jae-hong

Seo Hyun-chul

Hwang Kyeong-cheol

Jeong Man-sik

Oh Jong-gu

Park Chul-min

Kim Geum-nam

Jung Seo-yeon

Jung Mi-ja

Eung-soo Kim

Cho Pan-yeol

Lee Ji-hyeon

Jung Gyeong-mi

Go Joon

Leo

Kim Ji-yoo

Young Ji Han-na

Lee Ho-jung

Kim Yeon-ha / Drug Monster

Kim Eung-soo

Jo Pan-yeol

Han Kyu-won

An Dae-yong

Park Jeong-woo

Gangster

Park Cheol-min

Kim Geum-nam

Lee Ji-hye

Jung Kyung-mi

Lee Dal

Silver Bunny

Na Ho-sook

Lee Jin-su's Mom

Lee Jung-ha

Lee Gyeong-il

Seo Jeong-yeon

Jeong Mi-ja

Ahn Se-ho

Baek Suk-choon

Kang Gil-woo

Lee Sang-gon

Lee Han-sol

Lee Jin-su