Chicago Typewriter

Yoo Ah-in

Han Se-joo / Seo Hwi-young

Lim Soo-jung

Jeon Seol / Ryu Soo-hyeon

Go Kyung-pyo

Yoo Ji-no / Shin Yool

Kwak Si-yang

Baek Tae-min / Heo Young-min

Jo Woo-jin

Gal Ji-seok

Oh Na-ra

Secretary Kang

Yang Jin-sung

Ma Bang-jin

Jeon Soo-kyeong

Wang Bang-wool

Kang Hong-suk

Won Dae-han

Ji Dae-han

Won Man-hae

Cheon Ho-jin

Baek Do-ha

Jo Kyung-sook

Hong So-hee

Seo Hye-jin

Ribera

Shim Min

Mi-young

Kim Seong-hoon

Lee Jeong-bong

Park Sun-im

Hanna Kim

Choi Seo-yeon

Seol's colleague

Cha Gun-woo

Yool's butler

Jeong Yeon-joo

Bang-jin's colleague

Kim Hyun-sook

Dr. Soo

Cha Soon-hyeong

Japanese police

Jo Yeong-hoon

Veterinary surgeon