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Lee Beom-soo as Lee Ji-bong |
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Jo An as Park Young-ja |
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최희서 as Seo Yeo-soon |
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김민영 as Lee Bo-young |
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Byun Hee-bong as School Superintendent |
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기주봉 as Director Baek (cameo) |
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안용준 as In-ho |
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임승대 as Doctor |
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김산 as Shim Sang-hwan |
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박준금 as Principal |
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Woo Hyun as Head teacher |
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신정근 as Big brother |
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이미소 as Seo Young-ran |
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송재희 as Waiter |
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최성웅 as Local notable |
| Lighting | Hwang Sun-wook | Lighting Director |
| Writing | 박건용 | Writer |
| Writing | Bae Se-young | Writer |
| Directing | 박건용 | Director |
| Sound | 김준석 | Music Director |
| Production | 곽경택 | Co-Executive Producer |
| Art | 이나겸 | Production Design |
| Production | Lee Kang-bok | Executive Producer |
| Costume & Make-Up | Kim Eun-suk | Costume Design |
| Writing | Im Yong-jae | Adaptation |
| Production | Kim Ji-eun | Line Producer |
| Art | 윤기찬 | Set Decoration |
| Production | 한길로 | Producer |
| Editing | 신민경 | Editor |
