There will be some fresh faces on CBS' "Numb3rs" and FOX's "Terminator: The Sarah Connor Chronicles" this fall.

According to The Hollywood Reporter, Sophina Brown is making the leap from the cancelled legal procedural "Shark" to the still-strong mathematical procedural "Numb3rs," essentially filling the gender void left by Diane Farr's exit.

The trade paper says Brown will play Nikki Donat, "an ex-LAPD officer and full-blown adrenaline junkie who joins the Los Angeles FBI team as a junior agent." Initially Brown will be recurring, but it could become a regular role.

Over on "Terminator: The Sarah Connor Chronicles," Leven Rambin is in talks to join the cast as Becky, a potential love interest for Thomas Dekker's John Connor.

Rambin most recently appeared in The CW's "Austin Golden Hour" pilot and on "Lipstick Jungle," but the 18-year-old actress is best known for her long run as Lily (and twin Ava) on "All My Children."