Blob (voice)
Dr. Andrew McQueen / Vincent Proust / Old Man (voice)
Self (voice)
Dr. Feraboid Xylan / William Castle / Floyd Lloyd / Mr. Lester / Officer Johnny Law / 'Sven or Svenla' (voice)
Cool Youth / 'Slang School' Teacher (voice)
The Old Codger / Moose / Man 1 / Movie Trailer Narrator (voice)
Barbara McQueen / Lena (voice)
Mr. Hooper / Drag Race Onlooker / Monstrous Narrator / Flip / Reporter (voice)
Debbie McQueen / Surgeon / Woman 1 (voice)
Cynthia (voice)
Stevie Teenager / Jimmy Dugan / Doug / Student 1 (voice)
Robber Number One / Billy Drake / Piano Dog / Crazy John / Student 3 (voice)
Tonya (voice)
Becky (voice)
Donnie McQueen (voice)
Gunther Groggy / Robber Number Two / Drag Race Teen / Bela Legousi / Torch / Uncool Youth / Woman 2 (voice)
Penelope Noddinghoff / Dr. Sigmund Fraud / Jingo the Hawk / 'Killwin's Koffee' Shill (voice)
Eulogy-Interrupting Reporter / Cruiser / 'Slang School' Shill / Student 2 (voice)