Mike (voice)
Sullivan (voice)
Randy (voice)
Dean Hardscrabble (voice)
Squishy (voice)
Don (voice)
Terri (voice) (as Sean P. Hayes)
Terry (voice)
Art (voice)
Professor Knight (voice)
Greek Council VP (voice)
Johnny (voice)
Greek Council President (voice)
Chet (voice)
Young Mike (voice)
Ms. Squibbles (voice)
Mrs. Graves (voice)
Frank McCay (voice)
Referee / Slug (voice)
PNK Carrie (voice)
Roz (voice)
Yeti (voice)
Additional Voices (voice)
Additional Voices (voice) (as Don Fullilove)
Additional Voices (voice) (as Bret Parker)
Additional Voices (voice) (as Dannah Phirman)
Additional Voices (voice) (as James Kevin Ward)
Additional Children's Voices (voice)
Additional Children's Voices (voice) (as Madison Moellers)
Additional Children's Voices (voice) (as Kristen Sarkisian)