최악의 흉악범들이 모인 교도소 7번방에 이상한 놈이 들어왔다! 그는 바로 6살 지능의 딸바보 용구. 평생 죄만 짓고 살아온 7번방 패밀리들에게 떨어진 미션은 바로 용구 딸 예승이를 외부인 절대 출입금지인 교도소에 반.입.하.는.것! 웃음과 감동 가득한 사상초유의 합동작전이 시작된다!
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Ryu Seung-ryong
Lee Yong-gu
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Park Shin-hye
Ye-seung
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Oh Dal-su
So Yang-ho
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Park Won-sang
Choi Chun-ho
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Jeong Man-sik
Shin Bong-shik
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Kim Jung-tae
Kang Man-beom
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Kim Ki-chun
Old man Seo
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Jung Jin-young
Jang Min-hwan
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Jo Jae-yoon
Prison guard Kim (uncredited)
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Jung Han-bi
Ye-seung's teacher (uncredited)
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Jo Deok-hyeon
chief of police (uncredited)
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Lee Yun-hee
Orphanage teacher (uncredited)
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Kang Ye-seo
Ji-young (uncredited)
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Lee Seung-yeon
Jang Min-hwan's wife (uncredited)
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Park Sang-myeon
Ppabaki (uncredited)
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Song Lee-woo
anchor (uncredited)
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Choi Ro-woon
Jin-wook (uncredited)
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Han Yi-jin
Prisoner (uncredited)
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Oh Chang-kyung
detective 2 (uncredited)
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Min Jung-ki
detective 4 (uncredited)
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No Kang-min
Ye-seung's classmate (uncredited)
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Park Kil-soo
prison guard (uncredited)
