Abner (voice)
Mr. Simmons (voice)
Arnold's Grandpa / Earl / British Kid (voice)
Sid (voice)
Rex Smythe-Higgins (voice)
Big Bob Pataki / Quiz Moderators (voice)
Phoebe Heyerdahl (voice)
Helga Pataki (voice) (as Francesca Smith)
Gerald Johanssen (voice)
Rex Smythe-Higgins III (voice)
Arnold (voice)
Stinky Petersen (voice)