By Natalie Abrams
November 05, 2014 at 05:30 PM EST
Jon Kopaloff/FilmMagic

Jeri Ryan has landed a guest-starring role on NCIS as Gibbs’ (Mark Harmon) never-before-seen ex-wife, EW has learned.

The Body of Proof and Leverage alum will play Rebecca, who will appear in an episode slated for January 2015. Gibbs has been previously married four times; three relationships ended in divorce and one in the death of his wife (the part was played by both Darby Stanchfield and Aviva). Just two of his ex-wives (played by Kathleen York and Melinda McGraw) have appeared on-screen.

“After 12 seasons there was still one ex-wife to cast opposite Gibbs and we found her in the beautiful and talented Jeri Ryan,” executive producer Gary Glasberg says. “We’re all very excited to have Jeri join us for a storyline that’s chock full of surprises.”

NCIS airs Tuesdays at 8 p.m. ET on CBS.