- Hong Bum-ki
- Â Kai / ... (voice)
- Kim Eun-ah
- (voice)
- Sim Gyoo-Hyeok
- Â Louie Kim (voice) (as Shim Kyu-hyuk)
- Shin-Jeong Han
- Â Alkion (voice)
- Jung Hye-won
- Â Cho Shin-bi (voice)
- Ahn Hyun-seo
- Â Na Yong-chan (voice)
- Kim Jang
- Â Jay (voice)
- Lee Jang-won
- Â Stego (voice)
- Yang Jeong-hwa
- Â Soo-oh / ... (voice)
- Hong Jin-wook
- Â Carlobis (voice)
- So Jung-han
- Â Kang Woo-ram (voice)
- So Jung-hwan
- Â Kang Woo-ram (voice)
- Jo Kyung-yi
- (voice)
- Yeo Min-jeong
- Â Tirara / ... (voice)
- Min Seung-woo
- Â Titon (voice)
- Jung Sun-hye
- Â Ahn Kyeong-joon (voice)
- Seo Yu-ri
- Â Hong Yumi (voice)
