Michelle Trachtenberg is visiting the gang at NCIS: LA.
EW has learned that the Gossip Girl alum, who recently appeared in Killing Kennedy, will guest star in an action-packed holiday episode set to air Dec. 17 on CBS. She will play a character named Lily, a smart and witty environmentalist/ private chef who is the victim of a home invasion that “turns her life upside down,” according to a casting description.
