Journey to the Center of Carl

Candi Milo

Nick Dean / Germy (voice)

Andrea Martin

Ms. Fowl (voice)

Megan Cavanagh

Judy Neutron / Mrs. Vortex (voice)

Crystal Scales

Libby Folfax / Libby's Mom (voice)

Carolyn Lawrence

Cindy Vortex (voice)

Mark DeCarlo

Hugh Neutron (voice)

Frank Welker

Goddard / Special Vocal Effects (voice)