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도경수 as Yu-jun |
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Won Jin-ah as Jung-a |
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신예은 as In-hee |
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Bae Sung-woo as Seung-ho |
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Ahn Seung-gyun as Kyeong-bong |
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Kang Mal-geum as Min-sook |
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강경헌 as Yeon-seo |
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Kim Kyu-seon as Professor of Western Music History |
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Im Sung-jae as Go-tae |
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Kong Hyun Ji as Conductor |
| Directing | 서유민 | Director |
| Writing | Jay Chou | Original Film Writer |
| Writing | Christine To Chi-Long | Original Film Writer |
| Camera | 양현석 | Director of Photography |
| Editing | 김형주 | Editor |
| Writing | Yoo Seung-hee | Writer |
| Writing | 신은경 | Writer |
| Production | 최평호 | Executive Producer |
| Production | 김원국 | Producer |
| Production | Chung Hae-suk | Co-Executive Producer |
| Production | Kim Hwan-chul | Co-Executive Producer |
| Production | Patrick Park | Line Producer |
| Art | Kim Min-hye | Production Design |
| Art | Jeong Yi-jin | Conceptual Design |
| Sound | 박용기 | Sound Supervisor |
| Sound | Cho Min-ho | Sound Recordist |
| Visual Effects | 전민규 | Visual Effects Supervisor |
| Editing | Park Hyun-jin | Digital Intermediate |
| Costume & Make-Up | 성소원 | Makeup & Hair |
| Costume & Make-Up | 홍수희 | Costume Design |
| Costume & Make-Up | 서은경 | Costume Design |
| Sound | Kim Jun-seong | Original Music Composer |
| Writing | 서유민 | Writer |
| Sound | Jay Chou | Songs |
| Sound | Kim Ji-ae | Original Music Composer |
