 Daniel HansenLewis (voice) | Lewis (voice) |
 Jordan FryLewis (voice) | Lewis (voice) |
 Wesley SingermanWilbur (voice) | Wilbur (voice) |
 Matthew JostenMichael 'Goob' Yagoobian (voice) | Michael 'Goob' Yagoobian (voice) |
 Stephen J. AndersonBowler Hat Guy / Grandpa Bud / Tallulah (voice) | Bowler Hat Guy / Grandpa Bud / Tallulah (voice) |
 Tom SelleckCornelius Robinson (voice) | Cornelius Robinson (voice) |
 Tom KennyMr. Willerstein (voice) | Mr. Willerstein (voice) |
 Laurie MetcalfLucille Krunklehorn (voice) | Lucille Krunklehorn (voice) |
 Angela BassettMildred (voice) | Mildred (voice) |
 Nicole SullivanFranny (voice) | Franny (voice) |
 Harland WilliamsCarl (voice) | Carl (voice) |
| JJohn H. H. FordMr. Harrington (voice) | Mr. Harrington (voice) |
 Don HallCoach / Gaston (voice) | Coach / Gaston (voice) |
 Paul ButcherStanley (voice) | Stanley (voice) |
| TTracey Miller-ZarnekeLizzy (voice) | Lizzy (voice) |
 Michaela Jill MurphyYoung Franny (voice) | Young Franny (voice) |
 Ethan SandlerDoris / CEO / Spike / Dmitri / Laszlo / Fritz / Petunia (voice) | Doris / CEO / Spike / Dmitri / Laszlo / Fritz / Petunia (voice) |
 Dara McGarryMrs. Harrington / Receptionist (voice) | Mrs. Harrington / Receptionist (voice) |
 Nathan GrenoLefty (voice) | Lefty (voice) |
 Kelly HooverAunt Billie (voice) | Aunt Billie (voice) |
 Adam WestUncle Art (voice) | Uncle Art (voice) |
| AAurian RedsonFrankie (voice) | Frankie (voice) |
| JJoseph MateoT-Rex (voice) | T-Rex (voice) |
 Joe WhyteReporter (voice) | Reporter (voice) |
| CCooper CowgillAdditional Voices (voice) | Additional Voices (voice) |
 Cameron CovellAdditional Voices (voice) | Additional Voices (voice) |
 David CowgillAdditional Voices (voice) | Additional Voices (voice) |
| MMakenna CowgillAdditional Voices (voice) | Additional Voices (voice) |
 Terri DouglasAdditional Voices (voice) | Additional Voices (voice) |
 Jackie GonneauAdditional Voices (voice) | Additional Voices (voice) |
