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