Joan Watson, meet your match!
Gina Gershon has landed a guest-starring role on Elementary, TVGuide.com has learned exclusively.
The Bound star will play Elana March, a socialite whom Joan (Lucy Liu) suspects of running a notorious drug cartel. Unable to prove Elana's ties to the cartel's operations, Joan hopes to turn one of Elana's accountants into a key witness for the prosecution. But Joan's pursuit of Elana quickly becomes personal, with Elana demonstrating the lengths to which she's willing to go in order to avoid prison.
Mega Buzz: Get scoop on the new character coming to Elementary
Gershon, whose TV credits include Rescue Me and Community, is slated to appear in the Season 3 premiere, which airs Thursday, Oct. 30 at 10/9c on CBS.
(Full disclosure: TVGuide.com is owned by CBS.)
Watch This Tonight — See why Extant is our editors' pick: