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