Cast

Ryu Deok-hwan

Nam-woo

Gong Hyung-jin

Jun-ho

Ahn Sung-ki

Kyung-min

Bae Jong-ok

Nam-woo's mother

Na Moon-hee

Nam-woo's grandmother

Jang Hang-seon

Jun-ho's father

Lee Byung-hun

Nam-woo (adult)

Lee Seok-jun

Office Colleague 1

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Alejandro Fallick

Nam-woo (English version, voice)

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Jay Hickman

Adult Nam-woo (English version, voice)

Crew

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Kang Su-jeong

Writer (Writing)

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Lee Sung-gang

Writer (Writing)

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Ji-Hoon Hong

Storyboard (Writing)

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Cesar Inserny

Sound Designer (Sound)

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Geun-wook Kwon

Cinematography (Crew)

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Lee Byung-woo

Original Music Composer (Sound)

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Lee Sung-gang

Director (Directing)

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Seo Mi-ae

Writer (Writing)

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Jay Choi

Executive Producer (Production)

Jeong Tae-sung

Producer (Production)