Big Gino

Spencer Klein

Arnold (voice)

Francesca Marie Smith

Helga Pataki (voice)

Jamil Walker Smith

Gerald Johanssen (voice)

Olivia Hack

Rhonda Wellington Lloyd (voice)

Anndi McAfee

Phoebe Heyerdahl (voice)

Justin Shenkarow

Harold Berman (voice)

Dan Castellaneta

Grandpa Phil (voice)

Ben Diskin

Eugene Horowitz (voice)

Christopher Walberg

Stinky Peterson (voice)

Tony Jay

Sam Gifaldi

Sid (voice)

Maria Bamford

Josh Ryan Evans

3rd Grader (voice)

Kyle Gibson

Crony (voice)

Cameron Van Hoy

Big Gino (voice)