Cho Jin-woong as Won-ho

Ryu Jun-yeol as Seo Young-rak

Kim Joo-hyuk as Jin Ha-rim

Cha Seung-won as Brian

Kim Sung-ryung as Oh Yeon-ok

Park Hae-jun as Park Seon-chang

Nam Moon-chul as Department Head

Seo Hyun-woo as Jeong-il

Kang Seung-hyun as So-yeon

Jung Jun-won as Deok-cheon

Jung Ga-ram as Dong-woo

Jin Seo-yeon as Bo-ryeong

Kim Dong-young as Dong-yeong

Lee Joo-young as Joo-yeong

Geum Sae-rok as Soo-jeong

Park Seong-yeon as Sign Language Interpreter

Lee Ye-eun as Black Muffler

Lee Ji-min as Cart

Park Eun-young as Yook Pil-soon

Kim Tae-jun as Young-bae

Na Ki-soo as Lee Hak-seung

Jang Tae-min as Veterinarian

Park Hyun-ji as ER Doctor

Yoon Jae-in as Anchor

Geum Gwang-san as Ha-rim's Man

Baek Seung-hwan as Incheon Factory

Han Sang-cheul as Young-rak's Father

Cha Soon-hyeong as Brian's Entourage

Ahn Seong-bong as Brian's Entourage

Hwang Ki-seok as Paramedic