Episódio 30

Peter Frampton Hugh Neutron (singing voice)

Mark DeCarlo Hugh Neutron / Mr. Vortex (voice)

Crystal Scales Libby Folfax / Libby's Brother (voice)

Billy West Sam Melnick / Corky Shimatzu (voice)

Frank Welker Goddard / Wendel / Special Vocal Effects (voice)

Candi Milo Nick Dean (voice)

Andrea Martin Ms. Fowl (voice)

Megan Cavanagh Judy Neutron (voice)

Carolyn Lawrence Cindy Vortex (voice)