<Li> Mel Blanc as Dino (archive audio) - Blanc previously supplied the voice of Barney and Dino in the original cartoon series . </Li> <Li> Elaine & Melanie Silver as Pebbles Flintstone </Li> <Li> Hlynur & Marinó Sigurðsson as Bamm - Bamm Rubble - Elizabeth Daily provides Bamm - Bamm's voice, though uncredited </Li> <Li> Dann Florek as Mr. Slate </Li>

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