Jeff Bennett
Zan-Tar / Apeman #3 (voice) / Punky (voice) / Charlie (voice) / Fanman / Lenny (...

Dee Bradley Baker
Nessie / Karl / Momsquatch (voice) / Roccos / Audrey / Snail / Dinosaur (voice) ...

Rob Paulsen
Danny / Tickle Monster (voice) / Flavio (voice) / Solomon Fix (voice) / HandyCat...

Kevin Michael Richardson
Ice Monster (voice) / Dad / Announcer / Zit / Applause Fish (voice) / Krunch / R...

Maurice LaMarche
Birdsdorf / Apeman #1 (voice) / Pickle Cop / Elecaptain Sam / Dog Catcher (voice...

John DiMaggio
Jake / Ice Clops (voice) / Roy (voice) / Mumpy (voice)

John Kassir
Bone / Soldier A / Soldier B / Soldier C (voice) / Ice King / Fire Element (voic...

Annie Mumolo
Melissa / Rusty / Patch (voice) / Pixie / Little Prince / Munchie (voice) / Stri...

Candi Milo
Nurse Duckett (voice) / Bee (voice) / Yumi / Octopus Dude (voice)

Charlie Schlatter
Willie / Gnome / Martin / Dwarf (voice) / Sugarfoot (voice) / Chris (voice)

S. Scott Bullock
Dorothy / Hummingbird (voice) / Dr. Carnage / Timmy / Mr. Abbott (voice) / Gi / ...

June Foray
Old Lady (voice) / Mall Walker / Old Man #1 / Man at Garbage Can (voice)

Jessica DiCicco
Gloom / Fuzzy Animal (voice) / Smart Alec / Plasma Tot (voice)

Billy West
Finster #1 / Johnny Space Guy / Pilot #1 / Space Thug (voice) / Moobeard / Value...

Nika Futterman
Lulu (voice) / Cathy (voice)

Chuck McCann
Navarro (voice) / Buck (voice)

Colleen O'Shaughnessey
Tiffany / Mom (voice) / Kit / Little Girl / Some Kid (voice)

Charlie Adler
Finster #2 / Evil Leader / Pilot #2 / Space Thug (voice) / Bossy LeCow / Raging ...

Lloyd Floyd
Gary Guitar (voice) / Fungus (voice)

Jennifer Hale
Victor's Mom / Express Mail / Co-Worker #3 (voice) / Ms. Penelope (voice)