(in credits order)
- Tara Strong(English version) (voice)
- Michael Rosenbaum(English version) (voice)
- Kimberly Brooks(English version) (voice)
- Linda Cardellini(English version) (voice)
- Gregg Henry(English version) (voice)
- Vanessa Marshall(English version) (voice)
- Bruce Locke(English version) (voice)
- Jimmy Urine(English version) (voice) (as Little Jimmy Urine)
- Michael Rooker(English version) (voice)
- Shawnee Smith(English version) (voice)
- Dave Fennoy(English version) (voice)
- Rick D. Wasserman(English version) (voice) (as Rick Wasserman)
- Fred Tatasciore(English version) (voice) (as Fred Tataschoire)
- Audrey Wasilewski(English version) (voice) (as Audrey Wasliewski)
- Kyle Hebert(English version) (voice)
- Nolan North(English version) (voice)
- Steve Blum(English version) (voice)
- Ben Diskin(English version) (voice)
- Kari Wahlgren(English version) (voice)
- Keone Young(English version) (voice)
- Eri Kitamura(Japanese version) (voice)
- Ken'ichi Suzumura(voice) (as Kenichi Suzumura)
- Jôji Nakata(Japanese version) (voice) (as Johji Nakata)
- Kikuko Inoue(Japanese version) (voice)
- Bin Shimada(Japanese version) (voice)
Rest of cast listed alphabetically
