The Certainty of Uncertainty

Han Suk-kyu

Teacher Kim

Ahn Hyo-seop

Seo Woo-jin

Jin Kyung

Oh Myung-sim

Lee Sung-kyung

Cha Eun-jae

Kim Joo-Hun

Park Min-guk

Im Won-hee

Jang Gi-tae

이경영

Cha Jin-man

변우민

Nam Do-il

Kim Min-jae

Park Eun-tak

소주연

Yoon Ah-reum

신동욱

Bae Moon-jung

윤나무

Jung In-soo

이신영

Jang Dong-hwa

Lee Hong-nae

Lee Seon-woong

윤보라

Joo Young-mi

성령

정지안

Uhm Hyun-jung

고상호

Yang Ho-joon

김용진

Chief Lee

Lee Ji-ha

Cha Eun-jae's Mother

임재근

Paramedic Heo

Myungjoo Kang

Deceased Person's Mother

오민애

Ko Kyung-sook

이기섭

Ko Kyung-sook's Aide

Go Geon-ryeong

Cardiac Patient

Guk Joong-woong

Patient Guardian who Complain

Byun Chung-hee

Patient with Dementia

Lee Seung-won

Guardian of Patient with Wheelchair

Lee Jang-ho

Paramedic

Jung Woo-jae

Woo Sang-min