 Jerry SeinfeldBarry B. Benson (voice) | Barry B. Benson (voice) |
 Renée ZellwegerVanessa Bloome (voice) | Vanessa Bloome (voice) |
 Matthew BroderickAdam Flayman (voice) | Adam Flayman (voice) |
 Patrick WarburtonKen (voice) | Ken (voice) |
 John GoodmanLayton T. Montgomery (voice) | Layton T. Montgomery (voice) |
 Chris RockMooseblood (voice) | Mooseblood (voice) |
 Kathy BatesJanet Benson (voice) | Janet Benson (voice) |
 Barry LevinsonMartin Benson (voice) | Martin Benson (voice) |
 Larry KingBee Larry King (voice) | Bee Larry King (voice) |
 Ray LiottaRay Liotta (voice) | Ray Liotta (voice) |
 StingSting (voice) | Sting (voice) |
 Oprah WinfreyJudge Bumbleton (voice) | Judge Bumbleton (voice) |
 Larry MillerBuzzwell (voice) | Buzzwell (voice) |
 Megan MullallyTrudy (voice) | Trudy (voice) |
 Rip TornLou Lo Duca (voice) | Lou Lo Duca (voice) |
 Michael RichardsBud Ditchwater (voice) | Bud Ditchwater (voice) |
 Mario JoynerJackson (voice) | Jackson (voice) |
 Jim CummingsNarrator / Graduation Announcer (voice) | Narrator / Graduation Announcer (voice) |
 Tom PapaSplitz / Klauss Vanderhayden (voice) | Splitz / Klauss Vanderhayden (voice) |
| AAndy RobinJock #2 (voice) | Jock #2 (voice) |
| DDavid PimentelHector (voice) | Hector (voice) |
| CChuck MartinAndy (voice) | Andy (voice) |
 Conrad VernonFreddy (voice) | Freddy (voice) |
 David HermanBuzz / Bob Bumble / Pilot (voice) | Buzz / Bob Bumble / Pilot (voice) |
 Carol LeiferPress Person #1 (voice) | Press Person #1 (voice) |
 Jeff AltmanUncle Carl (voice) | Uncle Carl (voice) |
 Brian HopkinsSandy Shrimpkin / TSA Agent (voice) | Sandy Shrimpkin / TSA Agent (voice) |
 Tress MacNeilleJeanette Chung / Mother / Cow (voice) | Jeanette Chung / Mother / Cow (voice) |
| NNathan D. MorrisseyBoy Crying / Timmy (voice) | Boy Crying / Timmy (voice) |
 Olivia MattinglyLittle Girl (voice) | Little Girl (voice) |
