Justin Shenkarow

as Edward "Eddie" Horton (voice)

as Gelman (voice)

as Harold Berman (voice), Harold Berman(voice), Harold Berman / Boy on Bicycle (voice), Joey (voice), Harold Berman (voice; uncredited), Harold Berman / Robert (voice), Harold Berman / Iggy (voice)

as Michael Grunewald / Glen Glenn (voice)

as Roger (voice)

as Matthew Brock

as Simon Holmes