Frank Welker

as Barney Rubble (voice)

Henry Corden

as Fred Flintstone (voice)

B.J. Ward

as Betty (voice)

Jean Vander Pyl

as Wilma / Mrs. Slate (voice)

Megan Mullally

as Pebbles (voice)

Jerry Houser

as Bamm-Bamm (voice)

June Foray

as Various voices (voice)

William Hanna

as Bill (voice)

Joseph Barbera

as Joe (voice)

John Stephenson

as Mr. Slate (voice)

Kip King

as Additional Voices (voice)

Roger Rose

as Additional Voices (voice)

Don Messick

as (voice)

Russi Taylor

as (voice)