Pemeran Harmony

Kim Yoon Jin

as Hong Jeong Hye

Pemeran Utama

Na Moon Hee

as Kim Mun Ok

Pemeran Utama

Kang Ye Won

as Kang Yu Mi

Pemeran Utama

Lee Da Hee (이다희)

as Kong Na Yeong

Pemeran Utama

Jang Young Nam

as Section Chief Bang

Pemeran Utama

Park Joon Myun

as Kang Yeon Sil

Pemeran Utama

Jung Soo Young

as Ji Hwa Ja

Pemeran Utama

Lee Tae Kyung

as Min U [1 year old]

Pemeran Pembantu

Cha Jin Hyeok

as Hyeon Uk

Pemeran Pembantu

Ji Sung Won

as Hyeon Ju

Pemeran Pembantu

Park Hye Jin

as [Yu Mi's mother]

Pemeran Pembantu

Moon Kyung Min

as [Prison warden]

Pemeran Pembantu

Do Yong Gu

as [Commissioner of Correctional Services]

Pemeran Pembantu

Yang Mi Seon

as [Nurse]

Bintang Tamu

Kim Young Ho

Cinematography

Lee Byeong Wu

Composer

Kang Dae Gyu

Sutradara

Shin Min Kyung

Editor

Lee Seung Yeop

Production Sound Mixer

Yoon Je Kyun

Screenwriter

Kim Hwi

Screenwriter

Lee Seung Yeon

Screenwriter

Lee Seung Yeon

as Moon Ok [Young]

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Park Ji Yun

as Sil Su Ro [Harmony choir]

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Lee Do Ah

as "Glue Ring"

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Yun Je Ri

as Gyo Mun

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Jeon Soo Ji

as Assistant Kang

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Kim Jae Hwa

as Kwon Dal Nyeo [Chorus member]

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Kim Hyun Soo

as Kang Yu Mi [Young]

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Jung Dong Gyu

as [Yu Mi's stepfather]

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Jung Na On

as [Min U's adoptive mother]

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Lee Do Hyun

as [Jeong Hye's husband]

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Lee Joo Young

as [Police officer]

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Yoo Chae Mok

as [Harmony choir member]

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Park Sun Hee

as [Abused chorus member]

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Cha Chung Hwa

as [Chorus member]

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Kim Shi Young

as [Social worker]

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Lee Seon Joo

as [Harmony Choir, Mapo last stop]

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Lee Joon Hyuk

as [ER doctor]

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Park Eun Young

as [Chorus member] (Gangwondo)

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Kim Chan Yi

as [Flight surgeon]

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Kim Gyu Do

as [Rich lady's husband} | [Auditorium staff]

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Lee Seung Yeon

as [Prisoner in auditorium]

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Choi Chung Ja

as [Harmony choir, grandma]

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Son Mi Hee

as [News anchor]

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Shin Dong Hoon

as [Prison officer]

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Lee Jae Soon

as [Noblewoman]

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Jeong Jae Min

as [Children's Choir member]

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Lee Hyo Jun

as [Children's Choir member]

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Shin Hyun Woo

as [Children's Choir member]

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Shin Joon Hyup

as [Children's Choir member]

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Baek Il Hyun

as [Children's Choir member]

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Nam Seung Min

as [Children's Choir member]

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Kim Dong Yun

as [Children's Choir member]

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Seon Do Won

as [Children's Choir member]

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Oh Jun Seo

as [Children's Choir member]

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Jang Min Gyo

as [Children's Choir member]

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Yun Jeong Bin

as [Children's Choir member]

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Jeon Jun Yong

as [Children's Choir member]

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Hong Min Ki

as [Children's Choir member]

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Ha Si Hun

as [Children's Choir member]

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Hong Jun Seo

as [Children's Choir member]

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Kang Ji Woo

as [Children's Choir member]

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Baek Jin Gi

as [Children's choir]

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Lee Joon Ha

as [Children's choir]

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Kim Ho Yeon

as [Kkoma #1's mother]

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Park Ran

as [Chorus member]

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Shin Na Ri

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