Linda Hunt plays Hetty on NCIS: Los Angeles. We're learning more about her character here in the second season.
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Linda Hunt stars on NCIS: Los Angeles. She's a great character!
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NCIS: Los Angeles Quotes

Hetty: Sorry.
Callen: No, you're not.
Hetty: No, not really.

Some are just more expendable than others. Sorry John.

Karen