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se7en as Song Sam-dong / The-K |
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Lim Se Jun as Jason |
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Kang Seung Sik as Jin Guk |
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민선예 as Yoon Baek-hee |
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정동화 as Kang Oh-hyuk |
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박경림 as Principal |
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Ryu Seung-moo as Ma Doo-sik |
| Directing | Jang Sung-il | Director |
| Directing | Kim Yong-mun | Director |
| Writing | 박혜련 | Original Series Creator |
| Writing | 박혜련 | Characters |
| Sound | Ha Tae-sung | Original Music Composer |
| Directing | Yeom Hyun-seung | Stage Director |
| Production | Kim Eun-ha | Executive Producer |
| Crew | 최영준 | Choreographer |
| Art | 박경림 | Creative Director |
