No, the characters were "identical cousins".
Part of the theme song was: They laugh alike, They walk alike, Sometimes they even talk alike, you could lose your mind! When cousins, are two of a kind!
Of course, Patty Duke played both roles, as "Patty" and as "Cathy, the cousin".
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Actress Rita Walter was the stand-in who appeared as the back of Patty/Cathy's head in many scenes.
Tamera Mowry played a twin sister on the show Sister, Sister. Sister, Sister was a television series, starring Tia Mowry and Tamera Mowry, idential twins, and the show aired from 1994 - 1999.
I do not think she has a Twin sister
yes she does. she says she has a twin when on the show bad girls need love too.
no, kreayshawn doesn't have a twin sister:)
Katy Ann Duffy is her twin sister. She also has an older sister, Kelly.