Gerald vs. Jamie O

Cast

• 

  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)

• 

  Blake McIver Ewing

  Eugene Horowitz (voice)

• 

  Dan Castellaneta

  Grandpa Phil (voice)