Cast
Shim Kyu-hyuck
Park Hyung Seok (Small) (voice) • 8 episodes
Han Shin
Park Hyung Seok (Big) (voice) • 8 episodes
Ryu Seung-gone
Lee Jin Seong / Park Jong Gun (voice) • 8 episodes
Jeong Jae-heon
Vasco / CEO / Lee Nam Su (voice) • 8 episodes
Nam Doh-hyeong
Jin Ho Bin / Jang Gi Seok / Kim Mae Sik / Park Bum Jae (voice) • 8 episodes
Hwang Chang-yung
Pyun Deok Hwa / Lee Tae Sung / Oira (voice) • 8 episodes
Sa Moon-young
Park Ha Neul / Female Student / Female Extra (voice) • 8 episodes
Lee Kyung Tae
Park Ji Ho (voice) • 8 episodes
Kim Hyeon-uk
Lee Hyun Do / Go Jeong Gi / Kim Seul Bum (voice) • 8 episodes
Lee Gyu-chang
Na Yu Eop / Park Han Gyul / Homeroom Teacher (voice) • 8 episodes
Bae Jeong-mi
Choi Soo Jeong / Deok Hwa's Grandmother / Female Student (voice) • 8 episodes
Kim Ok-kyung
Hyung Seok's Mom (voice) • 8 episodes
Crew
Art
Park Ju Hyeon
Storyboard Artist • 1 episodes
Kim Eun Joo
Storyboard Artist • 1 episodes
Moon Hoo Young
Storyboard Artist • 1 episodes
Kim Joong Cheol
Storyboard Artist • 1 episodes
Jo Byung Hee
Storyboard Artist • 1 episodes
Lee Jae Bum
Storyboard Artist • 1 episodes
Pak Tae-jun
Original Series Design • 8 episodes
Dae Woo Lee
Art Direction
Jo Hun
Storyboard Artist
Production
Lee Seung Wook
Associate Producer • 8 episodes
Kohei Obara
Executive Producer • 8 episodes
Lee Young Jin
Casting
Young-Un Park
Production Manager
Hyun Ku Lee
Producer
Han Kwang Il
Co-Executive Producer
Sound
Kim Suk-won
Sound Supervisor • 8 episodes
Kim Eun-jung
Sound Re-Recording Mixer
Kim Eun-jung
Foley
Hyun Joon Kim
Sound Effects
Kim Eun-jung
Sound Effects
Kim Jae Hyuk
ADR Editor
Han Kyung-Hoon
Music Director
Hong Yoon-sung
Sound Re-Recording Mixer
Han Kyung-Hoon
Original Music Composer
Jeong-eun Song
Sound Effects
Hyun Joon Kim
Foley
Kim Jae Hyuk
Dialogue Editor