Smith becomes a permanent part of the ensemble after playing the recurring role of NCIS Intelligence Analyst Nell Jones this season. She can be seen in the role in the next original episode, slated to air Nov. 9.
"Renee is an exciting and fun addition to the cast," Executive Producer Shane Brennan said in a statement. "Like the character she plays, Renee is adorable, fearless and an absolute joy to work with. We're delighted to have her on the 'NCIS: Los Angeles' team."
Celebrity Families of 2014 [PHOTOS]
Alyssa Milano departs ABC's 'Mistresses'