CASTLE: Susan Sullivan on Who She Hopes to Work With in Season 6

For CASTLE’s Martha, her family could be expanding in the upcoming season — last season ended with her son (that would be Richard Castle) proposing to his long-time partner/muse-turned-girlfriend, Beckett. “It’s interesting to play a character like this, because she’s really a foil for her son,” Susan Sullivan (Martha) told me.  “So whatever happens to [...]


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