Justin Shenkarow

as Additional Voices (voice)

as Steven

as Keith (voice)

as Additional Voices (voice)

as Additional Voices (voice)

as Harold (voice)

as Additional Voices (voice)

as Paul

as Additional Barnyard Voices (voice)

as Background Voices

as Additional Voice Cast (voice)

as Gelman (voice)

as Gelman (voice)

as Harold Berman (voice)

as Soldier Kid / Wrestler Kid (voice)

as Harold (voice)

as Charlie Brown (voice)

as Izzy (voice)

as Michael Grunewald (voice)

as Buddy

as Chip

as Aleksei Sytsevich / Rhino (voice)

as Iggy

as Freddie (voice)

as Edward "Eddie" Horton (voice)

as Dusty

as Warren Dickson

as Simon Holmes (archive footage)

as Gelman (voice)

as Harold Berman (voice)

as Harold Berman / Iggy (voice)

as Andrew Winslow

as Dave Porter (voice)

as Michael Grunewald / Glen Glenn (voice)

as Roger (voice)

as Jordan (voice)

as Matthew Brock

as Daniel (voice)

as Matt

as Simon Holmes

as Kevin Driscoll