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양익준 as Jung Jong-suk (voice) |
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오정세 as Hwang Kyung-min (voice) |
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김혜나 as Kim Chul (voice) |
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박희본 as Young Hwang Kyung-min (voice) |
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김꽃비 as Young Jung Jong-suk / Female Karaoke Employee (voice) |
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Jo Yeong-Bin as Kang-min (voice) |
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허지웅 as Detective #1 (voice) |
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Kyung-soon as Jong-suk's Mother (voice) |
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Lee Don-yong as Kyeong-min's Father (voice) |
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Han Hyeon-min as Ahn Jeong-hee (voice) |
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Lee Jae Hyung as Son Seok-eung / Cheol-i's Father (voice) |
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Han Yoon-seo as Jong-seok's Older Sister / Dog Owner (voice) |
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Lee Soo-hyeon as Park Chan-yeong (voice) |
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정인기 as Publishing Company Director (voice) |
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김재록 as Home Room Teacher (voice) |
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Kim Sung-hyun as Gym Teacher (voice) |
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Jang Hyo-jin as Record Shop Owner (voice) |
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Yeon Sang-ho as Lee Jeong-min / Cat / Kim Yeong Message Center / School students (voice) |
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Lee Joo-yeong as Cheol-i's Mother (voice) |
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Choi Gyoo-seok as Detective #2 (voice) |
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Kyung-soon as Jong-seok's Mother (voice) |
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Jo Yeong-gak as Jong-seok's Father / School student (voice) |
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Ha Myeong-seok as Male Karaoke Employee / School student (voice) |
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최리호 as Corruption detective team leader (voice) |
| Production | Young-kag Cho | Producer |
| Sound | Eom Been | Original Music Composer |
| Editing | 이연정 | Editor |
| Editing | Yeon Sang-ho | Editor |
| Writing | Yeon Sang-ho | Writer |
| Directing | Yeon Sang-ho | Director |
| Visual Effects | Kim Chang-soo | Animation |
| Production | 김일권 | Producer |
| Production | 곽용수 | Producer |
| Production | Cho Young-gak | Producer |
