Hollyrock-a-Bye Baby

Henry Corden

Fred Flintstone (voice)

Jean Vander Pyl

Wilma Flintstone (voice)

Frank Welker

Barney Rubble / Dino / J. Rocko (voice)

Kath Soucie

Pebbles Flintstone Rubble (voice)

Jerry Houser

Bamm-Bamm Rubble (voice)

Russi Taylor

Baby Pebbles (voice)

B.J. Ward

Betty Rubble (voice)

Don Messick

Baby Bamm-Bamm/Lot Security Guard/Tour Bus Driver (voice)

John Stephenson

Mr. Slate (voice)

Janet Waldo

Mrs. Slaghoople (voice)

Raquel Welch

Shelly Millstone (voice)

Mark Hamill

Slick (voice)

Michael Bell

Mr. Pyrite (voice)

Charlie Adler

Rocky (voice)

Brad Garrett

Big Rock (voice)

Mary Hart

Mary Hartstone (voice)