Stinky's Pumpkin

Spencer Klein

Arnold (voice)

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Justin Shenkarow

Harold Berman (voice)

Dan Castellaneta

Grandpa Phil (voice)

Christopher Walberg

Stinky Peterson (voice)

Dom Irrera

Ernie Potts (voice)

Dan Butler

Mr. Simmons (voice)

Maurice LaMarche

Stinky's Father / Stinky's Grandpa (voice)

Maria Bamford

Mayor Dixie / Stinky's Grandma (voice)

Tony Jay

Booming Voice (voice)