John Schneider as Preston Stormer (voice)

Josh Keaton as William Furno (voice)

Christopher B. Duncan as Dunkan Bulk (voice)

Bryton James as Mark Surge (voice)

Jean Louisa Kelly as Natalie Breez (voice)

Jason London as Nathan Evo (voice)

Tom Kenny as Daniel Rocka / Mysterious Villain (voice)

Henry Winkler as Nathaniel Zib (voice)

Jennifer Coolidge as Daniella Capricorn (voice)