- 김수진 - Gyu-hyuk's Mother
- 강애심 - Principal's Wife
- Min Moo-je - Gi-beom's Father
- 최정윤 - Gi-beom's Mother
- Bae Seong-il - Teacher 1
- Kang Shin-chul - Teacher 2
- Yoo In-hye - Teacher 3
- Song Chang-gyu - Teacher 4
- 장현성 - Yongsan High school coach
- 박상면 - 50s Man
- Park Jae-min - Sportscaster
- Lee Sang-won - Imho Middle School Coach
- Baek Do-kyeom - Referee
- Kim Won-shik - Jemulpo High school 7
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장항준
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Kwon Sung-hui, 김은희
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Park Yoon-ho, Kim Ji-hoon, Yoo Young-chae
Capítulo disponible en las siguientes plataformas:
