Jerry Seinfeld Barry B. Benson (voice) Renée Zellweger Vanessa Bloome (voice) Jim Cummings Narrator / Graduation Announcer (voice) Matthew Broderick Adam Flayman (voice) Patrick Warburton Ken (voice) John Goodman Layton T. Montgomery (voice) Chris Rock Mooseblood (voice) Kathy Bates Janet Benson (voice) Barry Levinson Martin Benson (voice) Megan Mullally Trudy (voice) Rip Torn Lou Lo Duca (voice) Oprah Winfrey Judge Bumbleton (voice) Michael Richards Bud Ditchwater (voice) Larry King Bee Larry King (voice) Larry Miller Buzzwell (voice) John DiMaggio Janitor / Bailiff (voice) Tress MacNeille Jeanette Chung / Mother / Cow (voice) Simon J. Smith Truck Driver / Chet (voice) Ray Liotta Himself (voice) Sting Himself (voice) Robert Jayne Bee (voice) (uncredited) Carl Kasell Himself (voice) (uncredited) Sean Bishop Ladybug (voice) Jerry Seinfeld Barry B. Benson (voice) Renée Zellweger Vanessa Bloome (voice) Jim Cummings Narrator / Graduation Announcer (voice) Matthew Broderick Adam Flayman (voice) Patrick Warburton Ken (voice) John Goodman Layton T. Montgomery (voice) Chris Rock Mooseblood (voice) Kathy Bates Janet Benson (voice) Barry Levinson Martin Benson (voice) Megan Mullally Trudy (voice) Rip Torn Lou Lo Duca (voice) Oprah Winfrey Judge Bumbleton (voice) Michael Richards Bud Ditchwater (voice) Larry King Bee Larry King (voice) Larry Miller Buzzwell (voice) John DiMaggio Janitor / Bailiff (voice) Tress MacNeille Jeanette Chung / Mother / Cow (voice) Simon J. Smith Truck Driver / Chet (voice) Ray Liotta Himself (voice) Sting Himself (voice) Robert Jayne Bee (voice) (uncredited) Carl Kasell Himself (voice) (uncredited) Sean Bishop Ladybug (voice) Jerry Seinfeld Barry B. Benson (voice) Renée Zellweger Vanessa Bloome (voice) Jim Cummings Narrator / Graduation Announcer (voice) Matthew Broderick Adam Flayman (voice) Patrick Warburton Ken (voice) John Goodman Layton T. Montgomery (voice) Chris Rock Mooseblood (voice) Kathy Bates Janet Benson (voice) Barry Levinson Martin Benson (voice) Megan Mullally Trudy (voice) Rip Torn Lou Lo Duca (voice) Oprah Winfrey Judge Bumbleton (voice) Michael Richards Bud Ditchwater (voice) Larry King Bee Larry King (voice) Larry Miller Buzzwell (voice) John DiMaggio Janitor / Bailiff (voice) Tress MacNeille Jeanette Chung / Mother / Cow (voice) Simon J. Smith Truck Driver / Chet (voice) Ray Liotta Himself (voice) Sting Himself (voice) Robert Jayne Bee (voice) (uncredited) Carl Kasell Himself (voice) (uncredited) Sean Bishop Ladybug (voice) Jerry Seinfeld Barry B. Benson (voice) Renée Zellweger Vanessa Bloome (voice) Jim Cummings Narrator / Graduation Announcer (voice) Matthew Broderick Adam Flayman (voice) Patrick Warburton Ken (voice) John Goodman Layton T. Montgomery (voice) Chris Rock Mooseblood (voice) Kathy Bates Janet Benson (voice) Barry Levinson Martin Benson (voice) Megan Mullally Trudy (voice) Rip Torn Lou Lo Duca (voice) Oprah Winfrey Judge Bumbleton (voice) Michael Richards Bud Ditchwater (voice) Larry King Bee Larry King (voice) Larry Miller Buzzwell (voice) John DiMaggio Janitor / Bailiff (voice) Tress MacNeille Jeanette Chung / Mother / Cow (voice) Simon J. Smith Truck Driver / Chet (voice) Ray Liotta Himself (voice) Sting Himself (voice) Robert Jayne Bee (voice) (uncredited) Carl Kasell Himself (voice) (uncredited) Sean Bishop Ladybug (voice) Jerry Seinfeld Barry B. Benson (voice) Renée Zellweger Vanessa Bloome (voice) Jim Cummings Narrator / Graduation Announcer (voice) Matthew Broderick Adam Flayman (voice) Patrick Warburton Ken (voice) John Goodman Layton T. Montgomery (voice) Chris Rock Mooseblood (voice) Kathy Bates Janet Benson (voice) Barry Levinson Martin Benson (voice) Megan Mullally Trudy (voice) Rip Torn Lou Lo Duca (voice) Oprah Winfrey Judge Bumbleton (voice) Michael Richards Bud Ditchwater (voice) Larry King Bee Larry King (voice) Larry Miller Buzzwell (voice) John DiMaggio Janitor / Bailiff (voice) Tress MacNeille Jeanette Chung / Mother / Cow (voice) Simon J. Smith Truck Driver / Chet (voice) Ray Liotta Himself (voice) Sting Himself (voice) Robert Jayne Bee (voice) (uncredited) Carl Kasell Himself (voice) (uncredited) Sean Bishop Ladybug (voice)