- John Achenbach
- story artist
- Nathan Affolter
- animation timer
- Jong-Cheol Baek
- animator (as Jong-Choul Baek)
- Chris Battle
- character designer
- Darren Brereton
- timing director
- Sangyeop Cha
- animator
- Seonghee Choi
- inbetween artist
- Ray Claffey
- additional animation timer
- Thaddeus Paul Couldron
- character designer
- Joe Ekers
- character designer (as Rocket Ekers) / props designer (as Rocket Ekers) / storyboard and character layout (as Rocket Ekers)
- Dan Fausett
- additional animation timer
- Richard Gasparian
- timing supervisor (as Richard J. Gasparian)
- Colin Giles
- animation timer
- Rodel Gravo
- background layout artist
- Rafael Hurtado
- character clean-up
- Seongae Im
- inbetween artist
- Bob Jaques
- animation director: Carbunkle Cartoons
- Du Hwan Jeon
- layout artist (as Doohwan Jeon)
- Hyunyoung Jeon
- background artist
- Soonok Ji
- inbetween artist
- Eunsook Jung
- inbetween artist
- Sun-Hee Kang
- inbetween artist (as Sunhee Kang)
- Craig Kellman
- character designer
- Dooyoo Kim
- animation director: Big Star Animation
- Heekyeong Kim
- background artist
- Hyunae Kim
- inbetween artist
- HyungJin Kim
- animator
- Icheol Kim
- layout artist
- Itae Kim
- animation director: Big Star Animation
- Phillip Kim
- key background artist (as Yung Woo Kim)
- Sechang Kim
- layout artist
- Sehan Kim
- animator
- Youngjoong Kim
- animator
- Eunah Ko
- background artist
- Jeongoon Koo
- inbetween artist
- Mr. Lawrence
- character and props design / storyboard and character layout
- Diana LeBost
- character designer
- Eunsook Lee
- inbetween artist
- Hwaseon Lee
- inbetween artist
- Insook Lee
- animator
- Yongbeom Lee
- animator
- Erica Miramontes
- assistant animator (as Erica Volk)
- Steven Dean Moore
- storyboard and character layout
- Yeonjoo Nam
- animator
- Lynne Naylor
- character designer
- Junyoung Park
- layout artist
- Youngho Park
- animator
- Lenord Robinson
- character designer
- Chris Ross
- animation timer
- Seonhoo Shin
- layout artist
- Roy Allen Smith
- character designer (credit only)
- Namhyoi Song
- inbetween artist
- Greg Stainton
- animation timer
- Miles Thompson
- key background artist
- Spyros Tsiounis
- story artist
- Stevan Wahl
- storyboard and character layout (as Steve Wahl)
- Bill Wray
- key background artist
- Seungchul Yee
- animation director: Big Star Animation
- Chunyong Yoo
- animator
- Carey Yost
- character designer
