Fred and Barney Meet the Shmoo (1979) | Full Cast

John Stephenson

Mr. Slate (1979)

Frank Welker

Shmoo

Mel Blanc

Barney Rubble

Chuck McCann

Billy Joe

Art Metrano

Spike

Don Messick

Bamm-Bamm Rubble

Jean Vander Pyl

Pebbles Flintstone

Henry Corden

Fred Flintstone

John Erwin

Ronald Redford

Bill Idelson

Mickey

Noelle Matlovsky

Kelly

Joe Baker

The Thing

Marilyn Schreffler

Betty

Delores Cantú

Nita

Gay Autterson

Betty Rubble

Wayne Norton

Benjy Grimm