Mark Addy
Fred Flintstone
Stephen Baldwin
Barney Rubble
Kristen Johnston
Wilma Slaghoople
Jane Krakowski
Betty O'Shale
Joan Collins
Pearl Slaghoople
Thomas Gibson
Chip Rockefeller
Alan Cumming
The Great Gazoo / Mick Jagged
Harvey Korman
Colonel Slaghoople
Alex Meneses
Roxie
John Taylor
Keith Richrock
Tony Longo
Big Rocko
Danny Woodburn
Little Rocko
Taylor Negron
Gazaam / Gazing
Jack McGee
Bronto Crane Examiner
David Jean Thomas
Bronto Crane Examiner
Brian Coughlin
Bronto Crane Worker
Richard Karron
Bronto Crane
Jennifer Simard
Bride-To-Be
Heather Simpson
Tennis Girl
Chene Lawson
Kitty
Beverly Sanders
Photographer
John Cho
Parking Valet
Nora Burns
Party Guest
Mark Kubr
Party Guest
Cheryl Holdridge
Genvieve
Buck Kartalian
Old Man at Bronto King
Matt Griesser
Booth Worker
Irwin Keyes
Joe Rockhead
Mary Jo Smith
Gambler Woman
Duane Davis
Goon
Kevin Grevioux
Associate Goon
Steve Schirripa
Croupier
John Wills Martin
Casino Security Guard
Lucille M. Oliver
Hotel Worker
Joel Virgel
Keyboard Player
Rachel Winfree
Confessor
Ted Rooney
Confessor
Jim Doughan
Dinosaur Confessor
Jason Kravits
Choreographer
John Stephenson
Showroom Announcer
Brian Mahoney
Audience Man
Ann Martel Mahoney
Audience Woman
Walter Gertz
Wedding Minister
Mel Blanc
Puppy Dino (voice)
Rosie O'Donnell
Octopus Masseuse (voice)
William Hanna
Special Appearance
Joseph Barbera
Special Appearance
Jennifer Arden
Rockette
Jennifer Bachler
Rockette
Tracie Burton
Rockette
Teresa Chapman
Rockette
Jacqueline Case
Rockette
Betsy Chang
Rockette
Darlene Dillinger
Rockette
Kristen Dinsmore
Rockette
Tracie Hendricks
Rockette
Helena Hultberg
Rockette
Katherine Miller
Rockette
Jessica Page
Rockette
Kim Timbers-Patteri
Rockette
Cristal Williams
Rockette
Kristen Stewart
Ring Toss Girl (uncredited)
Alisa Hensley
Woman at Pool