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Sarah Jessica Parker vs Kim Cattrall

Actor vs. Actor(s): 15 of TV's Biggest Cast Feuds

It really is just all an act. What you see onscreen — a couple that can't keep their hands off each other, a loving family, a pair of loyal friends — doesn't always translate offscreen. With the recent news that Charlie Sheen got Selma Blair fired from his comedy, "Anger Management," we take a look back at some of the biggest cast feuds in TV history. — Kelly Woo, Yahoo! TV