![NCIS Casts Nancy Travis as [Spoiler]s Sister in Season 23 (Exclusive)](https://tvline.com/wp-content/uploads/2025/08/ncis-season-23-cast-nancy-travis.jpg)
NCIS fans, brace yourselves for a little sibling rivalry in Season 23. Nancy Travis (Last Man Standing, The Kominsky Method) has been cast as Navy Vice Admiral Harriet Parker, the sister of Gary Coles Special Agent Alden Parker, TVLine has learned exclusively. Travis character will first appear in the two-part Season 23 premiere, beginning Tuesday, []
NCIS fans, brace yourselves for a little sibling rivalry in Season 23. Nancy Travis (Last Man Standing, The Kominsky Method) has been cast as Navy Vice Admiral Harriet Parker, the sister of Gary Coles Special Agent Alden Parker, TVLine has learned exclusively. Travis character will first appear in the two-part Season 23 premiere, beginning Tuesday, []
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