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Keys to the Heart (그것만이 내 세상)

그것만이 내 세상 (geu-geot-man-i nae se-sang)

Directed by Choi Seong-hyeon (최성현)

Screenplay by

Drama

120min | Release date in South Korea :

Started filming : 2017/06/06
Wrapped up filming : 2017/08/27
Also known as "That's Only my World"
Synopsis
"Keys to the Heart" is the story of a boxer and his brother, who is a brilliant pianist with mental disabilities, reconciling through their mother.

Keys to the Heart | Cast

  • Lee Byung-hun (이병헌)
    Lee Byung-hun (이병헌)
    Kim Jo-ha (김조하)
  • Youn Yuh-jung (윤여정)
    Youn Yuh-jung (윤여정)
    Joo In-sook (주인숙)
  • Park Jung-min (박정민)
    Park Jung-min (박정민)
    Oh Jin-tae (오진태)
  • Moon Sook (문숙)
    Moon Sook (문숙)
    Bok-ja (복자)
  • Choi Ri (최리)
    Choi Ri (최리)
    Byeon Soo-jeong (변수정)
  • Hwang Suk-jung (황석정)
    Hwang Suk-jung (황석정)
    Head of a department Kang (강실장)
  • Baek Hyun-jin (백현진)
    Baek Hyun-jin (백현진)
    Dong-soo (동수)
  • Jo Kwan-woo (조관우)
    Jo Kwan-woo (조관우)
    Moon Seong-gi (문성기)
  • Park Ji-hoon (박지훈)
    Park Ji-hoon (박지훈)
    Lee Tae-goo (이태구)
  • Kim Seo-won (김서원)
    Kim Seo-won (김서원)
    Junior (후배)
  • Hong Suk-yun (홍석연)
    Hong Suk-yun (홍석연)
    Jo-ha's father (조하 부)
  • Lee Joo-young-III (이주영)
    Lee Joo-young-III (이주영)
    Eun-ha (은하)
  • Yuk Jin-soo (육진수)
    Yuk Jin-soo (육진수)
    Martial arts clubc manager (격투기 관장)
  •  
    Kim Min-geon (김민건)
    Martial arts athletic club member 1 (격투 운동부원1)
  •  
    Yoon Gil-joong (윤길중)
    Martial arts athletic club member 2 (격투 운동부원2)
  •  
    Lee Jeong-ho (이정호)
    Martial arts athletic club member 3 (격투 운동부원3)
  • Cha Myung-wook (故 차명욱)
    Cha Myung-wook (故 차명욱)
    Gym manager (체육관 관장)
  •  
    Ryoo Je-seung (류제승)
    Boxing coach (복싱코치)
  •  
    Yoo Seong-joo (유성주)
    High school champion (고교생 챔피언)
  •  
    Park Joo-min (박주민)
    Athletic club member 1 (운동부원1)
  •  
    Lee Sang-woon (이상운)
    Athletic club member 2 (운동부원2)
  •  
    Choi Min-seung (최민승)
    Athletic club member 3 (운동부원3)
  •  
    Sin Dong-myeong (신동명)
    Athletic club member 4 (운동부원4)
  • Yoo Jung-ho (유정호)
    Yoo Jung-ho (유정호)
    Community welfare center teacher (복지관 선생님)
  •  
    Choi Jong-hyeok (최종혁)
    Community welfare center student 1 (복지관생 1)
  •  
    Jeong Seung-hwan (정승환)
    Community welfare center student 2 (복지관생 2)
  •  
    Sin Yong-cheol (신용철)
    Community welfare center student 3 (복지관생 3)
  •  
    Lee So-jeong (이소정)
    Community welfare center student 4 (복지관생 4)
  • Kim Byung-choon (김병춘)
    Kim Byung-choon (김병춘)
    Security guard (경비원)
  • Yoon Young-kyun (윤영균)
    Yoon Young-kyun (윤영균)
    Police substation officer (파출소 경찰)
  • Moon Sang-hee (문상희)
    Moon Sang-hee (문상희)
    Carriage female boss (포차 여사장)
  • Heo Ji-na (허지나)
    Heo Ji-na (허지나)
    Bok-ja's entourage 1 (복자가드1)
  • Joo Seo-eun (주서은)
    Joo Seo-eun (주서은)
    Bok-ja's entourage 2 (복자가드2)
  •  
    Jeong Yoon-ha (정윤하)
    Bok-ja's entourage 3 (복자가드3)
  • Oh Hye-won (오혜원)
    Oh Hye-won (오혜원)
    Bok-ja's entourage 4 (복자가드4)
  •  
    Lee Seong-hye (이성혜)
    Bok-ja's female driver (복자 여기사)
  • Min Young (민영)
    Min Young (민영)
    Bok-ja's house in-house butler (복자집 내부집사)
  •  
    Woo Hye-yeong (우혜영)
    Bok-ja's house maid (복자집 하녀)
  •  
    Im Ji-min (임지민)
    Moon Seong-gi's assistant (문성기 비서)
  •  
    Yang Joon-seok (양준석)
    Big high school student (장대 고딩)
  •  
    Yoo Gi-ho (유기호)
    High school student gang 1 (고딩패거리1)
  •  
    Seo Jeong-woo (서정우)
    High school student gang 2 (고딩패거리2)
  •  
    Park Doo-soo (박두수)
    Restaurant manager (레스토랑 매니져)
  • Baek Seo-E (백서이)
    Baek Seo-E (백서이)
    Restaurant employee (레스토랑 직원)
  •  
    Nam Jeong-woo (남정우)
    Record store employee (레코드가게 직원)
  •  
    Park Seong-hoon (박성훈)
    Motorcycle store boss (오토바이 사장)
  •  
    Jang Hye-ri (장혜리)
    Nun (수녀)
  •  
    Im Hyeon-joo (임현주)
    Member of a choir 1 (성가대원 1)
  •  
    Kim Hyeon-jeong (김현정)
    Medical clinic doctor (진료실 의사)
  •  
    Lee Ga-jeong (이가정)
    Medical clinic nurse (진료실 간호사)
  •  
    Son Yeong-jin (손영진)
    Hospital director (병원장)
  •  
    Ahn Se-hyeon (안세현)
    Venue guide (공연장 안내)
  •  
    Park Se-jeong (박세정)
    Hospital executive (병원간부)
  •  
    Kim Sang-wook (김상욱)
    Hospital executive (병원간부)
  •  
    Jo Nam-hyeon (조남현)
    Hospital executive (병원간부)
  •  
    Kim Yoo-jin (김유진)
    VIP medical clinic nurse 1 (VIP 진료실 간호사1)
  •  
    Woo Jae-hyeon (우재현)
    VIP medical clinic nurse 2 (VIP 진료실 간호사2)
  •  
    Ahn Seong-bong (안성봉)
    Sky lounge manager (스카이라운지 매니져)
  •  
    Park Soo-bin (박수빈)
    Sky lounge waitress (스카이라운지 웨이트리스)
  •  
    Park Hyeon-joo (박현주)
    Physical therapist (물리치료사)
  •  
    Jang Han-na (장한나)
    Elementary school student playing piano (피아노 치는 여초등학생)
  •  
    Hong Ja-yoon (홍자윤)
    Elementary school student's mom (여초등학생 엄마)
  •  
    David Naze (다비드 나제)
    Piano plaza foreigner (피아노 광장 외국인)
  •  
    Heo Kyeong-hwa (허경화)
    Competition judge 1 (콩쿨 심사위원1)
  •  
    Kim Seong-gyeom (김성겸)
    Competition judge 2 (콩쿨 심사위원2)
  •  
    Nico Jarry (니코 쟈리)
    Competition judge 3 (콩쿨 심사위원3)
  •  
    Yeo Seung-ho (여승호)
    Competition MC (콩쿨 사회자)
  •  
    Lee Gye-hwa (이계화)
    Competition participant 1 (콩쿨 참가자1)
  •  
    Lee Sang-joon (이상준)
    Competition participant 2 (콩쿨 참가자2)
  •  
    Park Ji-hoon (박지훈)
    Competition participant 3 (콩쿨 참가자3)
  •  
    Jo Yoon-joo (조윤주)
    Competition participant 4 (콩쿨 참가자4)
  •  
    Kim Kyeong-joon (김경준)
    Stage manager, guide (무대감독, 안내자)
  •  
    Kim Ah-ra (김아라)
    Performing house manager (공연 하우스 매니져)
  • Son Woo-hyuk-I (손우혁)
    Son Woo-hyuk-I (손우혁)
    Eun-ha's boyfriend (은하 남자친구)
  •  
    Kim Dong-gyoo (김동규)
    Comic book store drunk (만화방 취객)
  • Jun Sook (전숙)
    Jun Sook (전숙)
    Hospital room old woman (병실 노파)
  •  
    Kim Min-joo (김민주)
    Slender woman 1 (늘씬녀 1)
  • Kwon Gwi-bin (권귀빈)
    Kwon Gwi-bin (권귀빈)
    Slender woman 2 (늘씬녀 2)
  •  
    Lee Yeon-woo (이연우)
    Slender woman 3 (늘씬녀 3)
  •  
    Kim Mi-soo (김미수)
    Slender woman 4 (늘씬녀 4)
  •  
    Cheong Ha-eun (청하은)
    Slender woman 5 (늘씬녀 5)
  •  
    Lee Joon-seok (이준석)
    Gentleman 1 (젠틀남 1)
  • Park Jae-hong (박재홍)
    Park Jae-hong (박재홍)
    Gentleman 2 (젠틀남 2)
  •  
    Park Ji-yeol (박지열)
    Gentleman 3 (젠틀남 3)
  •  
    Han Ji-woo (한지우)
    Event helper 1 (행사도우미 1)
  •  
    Park So-eun (박소은)
    Event helper 2 (행사도우미 2)
  • Park Sang-hoon-IV (박상훈)
    Park Sang-hoon-IV (박상훈)
    Young Jo-ha (어린 조하)
  •  
    Ahn Yoo-joon (안유준)
    Young Jin-tae (어린 진태)
  •  
    Lee Joon-ha (이준하)
    Junior high school bully 1 (중학생 양아치1)
  •  
    Yoon Si-yoon (윤시윤)
    Junior high school bully 2 (중학생 양아치2)
  •  
    Geum Joon-hyeon (금준현)
    Junior high school bully 3 (중학생 양아치3)
  •  
    Lee Jong-seung (이종승)
    Jin-tae's father (진태 부)
  • Park Ji-yeon-II (박지연)
    Park Ji-yeon-II (박지연)
    Yougn In-sook (젊은 인숙)
  •  
    Jeon Seol-bin (전설빈)
    Toast shop owner (토스트 가게 주인)
  •  
    Kang Choong-hoon (강충훈)
    News announcer (뉴스 아나운서)
  • Han Ji-min (한지민)
    Han Ji-min (한지민)
    Han Ga-yool - Special appearance (한가율)
  • Kim Sung-ryung (김성령)
    Kim Sung-ryung (김성령)
    Madam Hong - Special appearance (홍마담)
  •  
    Ahn Hyeon-seong (안현성)
    Orchestra conductor - Special appearance (오케스트라 지휘자)

Keys to the Heart | HanCinema Reviews

  • [HanCinema's Film Review] "Keys to the Heart"

    2018/01/27
    Jo-ha (played by Lee Byung-hun) used to be a middleweight champion. Now he's getting old, and has to hand out flyers in the street to make even a meager income. He is even accidentally (and mutually) humiliated further by wealthy society woman Ga-yool (played by Han Ji-min). The sheer disgrace of it all so badly gets to Jo-ha that he reluctantly agrees to move back in with his mother In-sook (played by Youn Yuh-jung) and his autistic younger brother Jin-tae (played by Park Jung-min). While Jin-tae is the only character in "Keys to the Heart" without a story arc, he is by far the most colorful of the bunch, being a piano prodigy who is obsessed with Street Fighter V,...More

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Keys to the Heart | Facts

 Produced by
 JK Youn (윤제균)
Staff
 Kim Sang-soo (김상수)
 Production department
 Kim Deok-min (김덕민)
 Assistant director
 Hwang Sang-jun (황상준)
 Score composer
 Hwang Sang-jun (황상준)
 Music department
 Hwang Sang-jun (황상준)
 Composer
 Kim Sun-min (김선민)
 Editor
Technical Information
120 min 
Festival(s) & award(s)
Sales or release dates & Box Office
Airing dates : 2018/01/17
South Korean Box Office
Source : www.cine21.com & www.kobis.or.kr
As of 2018.04.08 : 3 417 372 admissions (total)
As of 2018.03.04 : 3 416 008 admissions (total)
As of 2018.02.25 : 3 408 178 admissions (total)
As of 2018.02.18 : 3 368 330 admissions (total)
As of 2018.02.11 : 3 220 741 admissions (total)
As of 2018.02.04 : 2 792 118 admissions (total)
As of 2018.01.28 : 1 978 827 admissions (total)
As of 2018.01.21 : 910 343 admissions (total)
As of 2018.01.14 : 13 001 admissions (total)
As of 2018.01.07 : 2 259 admissions (total)

Keys to the Heart | Community

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Keys to the Heart (그것만이 내 세상)

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