Alan Reed

as Fred Flintstone (voice)

Mel Blanc

as Barney Rubble / Dino (voice)

Jean Vander Pyl

as Wilma Flintstone (voice)

Gerry Johnson

as Betty Rubble (voice)

Don Messick

as Ali / Various Voices (voice)

Janet Waldo

as Roberta / Various Voices (voice)

Paul Frees

as Rock Slag / Green Goose / Triple X (voice)

Harvey Korman

as Chief Mountmore / Additional Voices (voice)

John Stephenson

as Mr. Slate / Various Voices (voice)

June Foray

as Tanya Malichite (voice)