Erin Margaret Murphy (born June 17, 1964) is an American actress, who is best known for her role as young Tabitha Stephens in the television sitcom ''Bewitched'', in 103 episodes from the show's third season (in 1966) to the last original episode in 1972. For the first season, she shared this role for 18 episodes with her fraternal twin sister, Diane, as they were of similar appearance and stature. As they got older and looked less alike, only Erin played the role.
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