Lara Jill Miller

Juniper Lee (voice)

Kath Soucie

Ray Ray Lee (voice)

Carlos Alazraqui

Monroe (voice)

Candi Milo

Ophelia Ramírez (voice)

Colleen O'Shaughnessey

Jody Irwin (voice) / Margie (voice)

Tara Strong

Roger Radcliffe / Melissa O'Malley (voice) / Roger Radcliffe (voice) / Roger Radcliffe / Demon (voice) / Lila (voice) / Beatrice (voice)

Amy Hill

Ah Mah / Batoot / Fixit Elf #3 (voice) / Ah Mah (voice)

Dee Bradley Baker

Gus / Tupa Beast (voice) / Taylor (voice) / Derek / Mitch the Enchanted Rhino (voice) / Gus / Announcer / Vendor (voice) / Genie / Hamster / Monster (voice) / Boomfist / Dr. Termino / Fish Monger (voice) / Jonathan (voice) / Boomfist / Narrator / Comic Store Clerk (voice) / Gus (voice) / Furry Monster / Old Man / Junior Executive (voice) / Taranok / Securitos Troll #2 / Dragon (voice) / Gus / Pilot #1 / Vortek (voice)

Alexander Polinsky

Dennis Lee (voice)

S. Scott Bullock

Employee / Gorp / Guard (voice) / Wrongness / Zach / Knight Possum (voice) / Agent #2 / Roscoe (voice) / Monster Reporter / Customer (voice) / Leprechaun #2 / Announcer / Attendant (voice) / Banticore #2 / Monotook (voice) / Thor (voice) / Camel #1 (voice) / Wrongness / Newscaster (voice) / Ooni / Zach / Troll (voice)

Phil LaMarr

Charlie (voice) / Mant / Donnie / Old Man (voice) / Marcus (voice) / Donnie (voice) / Senior Executive (voice) / Freddy (voice)

Jeff Bennett

Cletus (voice) / Ring Announcer (voice) / Loki / Cletus / News Announcer (voice) (as Jeff Glen Bennett) / Skeeter Khomen-Getit (voice) / Michael / Channel Announcer (voice) / Cletus / Answering Machine / Skeeter (voice)