Pemeran No Breathing

Lee Jong Suk (이종석)

as Jung U Sang

Pemeran Utama

Seo In Guk (서인국)

as Jo Won Il

Pemeran Utama

Kwon Yu Ri (권유리)

as Jung Eun

Pemeran Utama

Park Chul Min

as Jae Suk

Pemeran Pembantu

Jeon Bo Mi

as Ha Na

Pemeran Pembantu

Park Jung Chul

as Coach Jang

Pemeran Pembantu

Jo A Young

as Se Mi

Pemeran Pembantu

Shin Min Chul

as Lee Jung Dong

Pemeran Pembantu

Sunwoo Jae Duk

as [U Sang's father]

Pemeran Pembantu

Yoon Kyun Sang (윤균상)

as Yoon Gyun Sang

Pemeran Pembantu

Kim Jae Yeong

as Dae Chan

Pemeran Pembantu

Ahn Soo Hyun

as [Won Il's mother]

Pemeran Pembantu

Park Hyun Woo

as Cho Min Guk

Pemeran Pembantu

Kim Jeong Hak

as Reporter Han [Reporter]

Pemeran Pembantu

Yang Joon Hyuk

as Yang Joon Hyuk

Pemeran Pembantu

UGeon

as Jo Won Il [Young]

Pemeran Pembantu

Choi Min Geum

as [Chinese house hostess]

Bintang Tamu

Nam Da Reum (남다름)

as Woo Sang [Young]

Bintang Tamu

Kim Young Sun

as [U Sang's mother]

Bintang Tamu

Nam Doh Hyeong

as [Announcer]

Bintang Tamu

Kwon Dong Won

as [Event Host agent]

Bintang Tamu

An So Jin

as [Taxi Female Client]

Bintang Tamu

Lee Sang Moon

Asisten Sutradara

Jo Yong Sun

Sutradara

Heo Sun Mi

Editor

Kim Hyeon Jeong

Makeup Artist

Lee Seung Yeop

Production Sound Mixer

Yoo Young Ah

Screenwriter

Lee Chang Joo

as [Senior swimmer]

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Lee Il Min

as [Swimming team member]

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Yeom Ji Young

as [English teacher]

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Park Hyun Ji

as [Audition professional writer]

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Go Yoo An

as [Swimming section #4]

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Ju Ji A

as [Audition girl]

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Kim Ri Won

as [Reporter #2]

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Oh In Hye

as [High school female coach]

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Cha Jung Hwan

as [Commentator]

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Park Jae Han

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