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Frank Costanza was played by Jerry Stiller, father of Ben Stiller.
Frank and Estelle. Frank was originally played by John Randolph and was replaced with Jerry Stiller. Estelle was played by Estelle Harris.
Frank Costanza and Estelle Costanza
Frank Costanza
George Costanza is one of the main characters on the TV show Seinfeld. He sometimes lives with his parents, Estelle and Frank Costanza.