Robert De Niro
Fearless Leader
Randy Quaid
Cappy von Trapment
Piper Perabo
Karen Sympathy
June Foray
Rocky / Cartoon Natasha Fatale / Narrator's Mother
Keith Scott
Bullwinkle / Narrator / Cartoon Boris Badenov / Cartoon Fearless Leader
Janeane Garofalo
Minnie Mogul
Carl Reiner
P.G. Biggershot
Jonathan Winters
Whoppa Chopper Pilot / Ohio Cop with Bullhorn / Jeb
James Rebhorn
President Signoff
Norman Lloyd
Wossamotta U. President
Don Novello
Fruit Vendor Twins
John Brandon
General Admission
Harrison Young
General Foods
Phil Proctor
RBTV Floor Director
Dian Bachar
RBTV Studio Technician
Mark Holton
FBI Agent - Potato
Doug Jones
FBI Agent - Carrot
Jane Edith Wilson
FBI Agent - Radish
Julia McAnuff
Little Karen
Jeffrey Ross
District Attorney
Arvie Lowe Jr.
Sharp-Eyed Student
Chip Chinery
Security Guard
Ellis Williams
Security Guard
Kristen Lowman
Average Mom
Myrna Niles
Average Grandma
Jack Donner
Average Grandpa
Amanda Brookshire
Average Kid
Patric Brillhart
Average Kid
Taraji P. Henson
Left-Wing Student
Larry Varanelli
Precision Driver
Michael Beardsley
Wossamotta U. Student
Susan Berman
Weasel / Rocky
Teresa Couch
Wossamotta U. Student
Billy Crystal
Mattress Salesman
Elwood Edwards
You've Got Mail Voice
Bridget Finney
College Student
Whoopi Goldberg
Judge Cameo
Chad Keller
Wossamotta U. Student
Johnny Luckett
Television Repairman
Jeremy Maxwell
Angry French Student
Danielle McKee
Wossamotta Student
Paul McMichael
Wossamotta U. student
George F. Miller
Ice Skater / Zombie scene
Tanya Raisa
Student Protester
Kelly Sells
Pottsylvanian Spy / Dance Hall Girl
Nicki Sixteen
Wossamotta U. Student
Victor M. Slone
Cheapo Depo Rental Car Agent
T.J. Thyne
Right-Wing Student
GoGo Toucette
Rental car agent