as

Arnold (voice)

as

Chuckie

as

Martin

as

Max

as

Son

as

Tommy (at 7)

as

Timmy Terwelp

as

Additional Voices (voice)

as

Ezra Brady

as

Timmy Terwelp (voice)

as

Todd Meuse

as

Casper

as

Futuristic Boy (uncredited)

as

Bobby Draper

as

Ben Goldman

as

M.J. Delfino

as

Brian