Tawny Cypress (Unforgettable) has been cast as a series regular opposite Famke Janssen, Ryan Eggold and Edi Gathegi in NBC’s proposed spinoff from The Blacklist. Like fellow new Blacklist addition Janssen, Cypress will recur on the last couple of episodes of the original series this season and become a regular should NBC proceed with the project as a new series for next season.

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The Blacklist episode that will serve as a formal planted spinoff is Episode 322 — airing May 12 — written by The Blacklist creator/executive producer Jon Bokenkamp and exec producer/showrunner John Eisendrath and directed by Michael Dinner.

Cypress will play Nez Rowan (formerly known as Harper). Janssen will play Susan “Scottie” Halsted. No details are being provided on the spinoff’s premise, but I hear it focuses on Scottie’s relationship with Tom (Eggold), which is said to be similar to Raymond “Red” Reddington (James Spader)’s relationship with Liz (Megan Boone) on the original series.

The spinoff was created by Bokenkamp and Eisendrath, who executive produce with The Blacklist exec producers John Davis and John Fox.

This marks Cypress’ return to NBC where she did major arcs on Heroes and Third Watch. Cypress recently was a regular on crime drama Unforgettable and has recurred on Netflix’s House Of Cards and CBS’ Supergirl. She is reped by Abrams Artists Agency and Judy Lesley at Sinclair Management.