Henry Corden as Fred Flintstone (voice)

Mel Blanc as Barney Rubble / Dino (voice)

Jean Vander Pyl as Wilma Flintstone / Pebbles Flintstone (voice)

Gay Autterson as Betty Rubble (voice)

Lucille Bliss as Bamm Bamm Rubble (voice)

John Stephenson as Mr. George Nate Slate (voice)

Don Messick as Ed the Foreman / Otis (voice)

Virginia Gregg as Mrs. Santa Claus (voice)

Hal Smith as Santa Claus (voice)