as Spot Helperman / Scott Leadready II / Scott Manly-Manning (voice)

as Dr. Ivan Krank (voice)

as Leonard Amadeus Helperman (voice)

as Mrs. Mary Lou Moira Angela Darling Helperman (voice)

as Mr. Jolly (voice)

as Pretty Boy (voice)

as Dennis (voice)

as Adele (voice)

as Principal Crosby Strickler (voice)

as Barry Anger (voice)

as Mrs. Boogin (voice)

as The Blue Fairy (voice)

as Ian Wazselewski (voice)

as Marsha / Marcia (voice)

as John / Juan (voice)

as Leslie Dunkling (voice)

as Younghee (voice)

as Trevor / Taylor / Tyler (voice)

as Father (voice)

as Little Girl (voice)

as Officer White (voice)

as Conductor (voice)

as John / Juan

as Marsha / Marcia