Episódio 15

John Stephenson Mr. Slate (voice)

Henry Corden Fred Flintstone (voice)

B.J. Ward Betty Rubble (voice)

Frank Welker Barney Rubble / Dino (voice)

Howard Morris Additional Voices (voice)

Joan Gerber Additional Voices (voice)

Russi Taylor Pebbles Flintstone (voice)

Don Messick Bamm-Bamm Rubble / Joe Rockhead (voice)

Marsha Clark Maggie Magma / Miss Feldspar (voice)

Will Ryan Nephew Ned (voice)