- Alan Bodner
- background color concepts
- Patrick Buchanan
- timing director
- Byung Nam Cho
- animator: Rough Draft Studios Inc.
- Eun Kyoung Cho
- animator: Rough Draft Studios Inc.
- Soyoun Choi
- background artist: Rough Draft Studios Inc. (as So Youn Choi)
- Sun Hyang Choi
- animator: Rough Draft Studios Inc.
- Young Dal Choi
- animator: Rough Draft Studios Inc.
- Allyn Conley
- color stylist
- Myung-ok Eum
- animator: Rough Draft Studios Inc. (as Myoung Ok Eum)
- Andrew Ice
- location designer (as Andy Ice)
- Bong Koh Jae
- animation director: Rough Draft Studios Inc.
- Sae Jung Jeong
- animator: Rough Draft Studios Inc.
- Dong Won Jung
- animator: Rough Draft Studios Inc.
- Gordon Kent
- timing director
- Ji-Sook Kim
- animator: Rough Draft Studios Inc.
- Mi-hee Kim
- animator: Rough Draft Studios Inc.
- Miyae Kim
- animator: Rough Draft Studios Inc. (as Mi Yae Kim)
- Andi Klein
- timing director (as Andrea Klein)
- Hyung Du Lim
- animation director: Rough Draft Studios Inc. (as Hyung Doo Yim)
- Hye Jin Lyu
- animator: Rough Draft Studios Inc.
- Kim Seung Min
- layout artist: Rough Draft Studios Inc.
- SoonJin Mooney
- timing director (as Soonjin Lee Mooney)
- Celeste Moreno
- character designer
- Young Jo Myong
- layout artist: Rough Draft Studios Inc.
- Ka Young Myung
- animator: Rough Draft Studios Inc.
- Ji-Hyun Nam
- animator: Rough Draft Studios Inc. (as Ji Hyun Nam)
- Byungjae Oh
- animator: Rough Draft Studios Inc. (as Byung Jae Oh)
- Hye Sung Park
- animation director: Rough Draft Studios Inc.
- Ji-Min Park
- animator: Rough Draft Studios Inc.
- Jinsuk Park
- layout artist: Rough Draft Studios Inc. (as Jin Seok Park)
- Jung Jin Park
- animator: Rough Draft Studios Inc.
- So Yeol Park
- animator: Rough Draft Studios Inc.
- Stephen Silver
- lead character designer
- Min-Young Song
- animator: Rough Draft Studios Inc.
- Su Jin Song
- animator: Rough Draft Studios Inc.
- Won Dong Suk
- animator: Rough Draft Studios Inc.
- Lee Jong Sun
- animator: Rough Draft Studios Inc. (as Jong Sun Lee)
- Su Jin Sung
- animator: Rough Draft Studios Inc.
- Nadia Vurbenova
- background painter (as Nadia Vurbenova-Mouri)
- Jeong Ah Yun
- layout artist: Rough Draft Studios Inc.
- Mi Soon Yun
- animator: Rough Draft Studios Inc.
- Sung Wook Yun
- animation director: Rough Draft Studios Inc.