I Yabba-Dabba Do!

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)

Kip King

Additional Voices (voice)

Roger Rose

Additional Voices (voice)