Cast
Frank Welker
Barney Rubble (voice)
Megan Mullally
Pebbles (voice)
June Foray
Various voices (voice)
Don Messick
(voice)
Russi Taylor
(voice)
Henry Corden
Fred Flintstone (voice)
B.J. Ward
Betty (voice)
Jean Vander Pyl
Wilma / Mrs. Slate (voice)
Jerry Houser
Bamm-Bamm (voice)
William Hanna
Bill (voice)
Joseph Barbera
Joe (voice)
John Stephenson
Mr. Slate (voice)
Roger Rose
Additional Voices (voice)