Cast
Casey Kasem
Shaggy (archive footage) (uncredited)
Sandy Duncan
Herself
Davy Jones
Himself
Tim Conway
Himself
Phyllis Diller
Herself
Jonathan Lipnicki
Himself
Tom Kenny
Mayor of Townsville / Top Cat (voice)
Jeff Bennett
Johnny Bravo (voice) (as Jeff Glen Bennett)
Ron McClary
Captain Linger (voice)
Don Knotts
Himself
Jonathan Winters
Himself
Robin Williams
Himself
Marsha Crenshaw
Announcer (voice)
Arthur Anderson
Eustace Bain (voice)
Doug Preis
Thundarr the Barbarian (voice)
Janet Waldo
Judy Jetson (voice)
Thea White
Muriel Bain (voice)
B.J. Ward
Betty Rubble (voice) (as BJ Ward)
Jennifer Martin
Miss Sara Bellum (voice)
Charlie Adler
Big Red Guy / Chicken (voice) (as Charles Adler)
Grey DeLisle
Daphne Blake (voice)
Caroline Sellers
Wilma Flintstone (Young) (voice)
B.J. Mitchell
Barney Rubble (Young) (voice)
Tom Kane
Professor Utonium / Him (voice)
Brenda Vaccaro
Bunny Bravo (voice)
Jeff Bergman
Porky Pig / Fred Flintstone / Foghorn Leghorn / Elmer Fudd (voice)
Debbie Allen
Herself (uncredited)
Christina Augustinos
Producer (uncredited)
David-Paul Grove
Johnny 2x4 (voice) (archive footage) (uncredited)
Kathleen Barr
Kevin (voice) (archive footage) (uncredited)
Mel Blanc
Bugs Bunny (voice) (archive footage) (uncredited)
Christine Cavanaugh
Dexter (voice) (archive footage) (uncredited)
Keenan Christensen
Jimmy (voice) (archive footage) (uncredited)
Kat Cressida
Dee-Dee (voice) (archive footage) (uncredited)
Eddie Deezen
Mandark (voice) (archive footage) (uncredited)
Patrick Ewing
Himself (uncredited)
William Hanna
Himself (archive footage) (uncredited)
Matt Hill
Ed (voice) (archive footage) (uncredited)
Scott Innes
Scooby-Doo (voice) (uncredited)
Janyse Jaud
Sarah (voice) (archive footage) (uncredited)
Chuck Jones
Himself (archive footage) (uncredited)
Peter Kelamis
Rolf (voice) (archive footage) (uncredited)
Chris Kirkpatrick
Himself (uncredited)
Don Messick
Scooby-Doo (voice) (archive footage) (uncredited)
Tony Sampson
Eddy (voice) (archive footage) (uncredited)
Sam Vincent
Edd (voice) (archive footage) (uncredited)
Frank Welker
Fred Jones (voice) (archive footage) (uncredited)
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