The Aptitude Test

Cast

• 

  Phillip Van Dyke

  Arnold (voice)

• 

  Francesca Marie Smith

  Helga Pataki (voice)

• 

  Jamil Walker Smith

  Gerald Johanssen (voice)

• 

  Dan Castellaneta

  Grandpa Phil (voice)

• 

  Anndi McAfee

  Phoebe Heyerdahl (voice)

• 

  Justin Shenkarow

  Harold Berman (voice)

• Christopher Walberg

  Stinky Peterson (voice)

• 

  Ben Diskin

  Eugene Horowitz (voice)

• 

  Craig Bartlett

  Brainy (voice)

• 

  Maurice LaMarche

  Big Bob Pataki (voice)

• 

  David Wohl

  Mr. Berman (voice)

• 

  Dan Butler

  Mr. Simmons (voice; uncredited)

• 

  Kath Soucie

  Mrs. Berman (voice)