A Bona Fide Killer

Gong Hyo-jin

Yoo Bo-na

Jung Jun-won

Kwon Tae-sung

Lee Sang-yi

Lee Dong-jin

Sung Dong-il

Kim Bong-pal

Moo Jin-sung

Gi Yeong-do

Lee Eun-saem

Kwon Se-ah

Choi Woo-sung

Beom Seong-hoon

Shin Hyun-soo

Seul-gi / Sergei Volansky

Kim Nam-hee

Bong Tae-min

Ha Yul-Ri

Oh Hyun-nam

Seo Eun-oh

Yoo Mi-ran

Gi So-you

Yoo Bo-na (young)

Son Seung-taek

Hwang Min-ho

Jeong Seon-cheol

Ahn Choong-sun

Park Hye-jin

Park Hee-mae

Mi So-yun

Chae-won's Mom

Kim Won-hae

Oh Man-seok

Heo Hyung-kyu

Pyo Kyu-Cheol

Choi Sol-hee

Car Driver

Moon Seung-you

Mun Da-rae

Choi Kyo-sik

Foreman

Kim Jin-ok

Restaurant Owner

Jeon Chi-hwa

Kang Yeong-ho

Lee Dong-hee

Park Chun-bok

Kim Jong-goo

Cheon Seong-gil