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There was no Grandpa--at least the Bradleys didn't have one. There was a "Grandpa" Jenson who was played by Burt Mustin, but he was a peripheral character. More likely you're thinking of Uncle Joe, the show's foil. He was played by character actor Edgar Buchanan, who was also William Boyd's sidekick on Hopalong Cassidy. He died in 1979.

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15y ago

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