Casey Kasem (69)

Shaggy (archive footage) (uncredited)

Sandy Duncan (56)

Self

Davy Jones (56)

Self

Tim Conway (68)

Self

Phyllis Diller (84)

Self

Jonathan Lipnicki (11)

Self

Tom Kenny (39)

Mayor of Townsville - Top Cat (voice)

Jeff Bennett (39)

Johnny Bravo (voice)

Ron McClary

Captain Linger (voice)

Don Knotts (77)

Self

Jonathan Winters (76)

Self

Robin Williams (50)

Self

Marsha Crenshaw

Announcer (voice)

Arthur Anderson (79)

Eustace Bain (voice)

Doug Preis (48)

Thundarr the Barbarian (voice)

Janet Waldo (83)

Judy Jetson (voice)

Thea White (61)

Muriel Bain (voice)

B.J. Ward (57)

Betty Rubble (voice)

Jennifer Martin (30)

Miss Sara Bellum (voice)

Charlie Adler (45)

Big Red Guy - Chicken (voice)

Grey DeLisle (28)

Daphne Blake (voice)

Caroline Sellers

Wilma Flintstone (Young) (voice)

B.J. Mitchell

Barney Rubble (Young) (voice)

Tom Kane (39)

Professor Utonium - Him (voice)

Brenda Vaccaro (62)

Bunny Bravo (voice)

Jeff Bergman (41)

Porky Pig - Fred Flintstone / Foghorn Leghorn / Elmer Fudd (voice)

Debbie Allen (52)

Self (uncredited)

Christina Augustinos

Producer (uncredited)

David-Paul Grove (43)

Johnny 2x4 (voice) (archive footage) (uncredited)

Kathleen Barr (34)

Kevin (voice) (archive footage) (uncredited)