John Goodman
Fred Flintstone
Elizabeth Perkins
Wilma Flintstone
Rick Moranis
Barney Rubble
Rosie O'Donnell
Betty Rubble
Kyle MacLachlan
Cliff Vandercave
Elizabeth Taylor
Pearl Slaghoople
Jonathan Winters
Gobo The Grizzled Man
Harvey Korman
Ali / Dicabird / Blossom's Adopted Doll Son Ali
Hlynur Sigurðsson
Bamm-Bamm
Marinó Sigurðsson
Bamm-Bamm
Sheryl Lee Ralph
Mrs. Pyrite
Jean Vander Pyl
Mrs. Feldspar
Jay Leno
Bedrock's Most Wanted Host
Alan Blumenfeld
Fred Look-A-Like
Messiri Freeman
Miss Stone Look-A-Like
Sam Raimi
Cliff Look-A-Like
Andy Steinfeld
Aerobics Instructor
Lita Stevens
Woman at Chevrox
Joseph Barbera
Man in Mersandes
William Hanna
Executive in Boardroom
Mel Blanc
Dino (voice) (archive sound)
Sam the Orangutan
Mr. Henderson (uncredited)