Kadro (20)
Jonathan David CookBig Guy (voice)
Pamela AdlonRusty (voice)
Jim HanksDwayne Hunter (voice)
Gabrielle CarterisDr. Erika Slate (voice)
Stephen RootDr. Donovan (voice)
Kathy KinneyJenny (voice)
Kevin Michael RichardsonGarth (voice)
M. Emmet WalshMack (voice)
R. Lee ErmeyGeneral Thornton (voice)
Ron Perlman
Dean Haglund
Tim CurryDr. Neugog (voice)
Clancy Brown
Jillian Warry Barberie
Maurice LaMarche
Maura Tierney
Jeremy Suarez
Nicholas Guest
Nick Jameson
Nora Dunn