Josh Hamilton

Now that Watson has joined Sherlock's team full-time, she'll have her hands full thanks to Josh Hamilton.

Elementary Scoop: How will Sherlock and Watson's relationship change now?

Hamilton will guest-star on an upcoming episode of Elementary as the prime suspect in Watson's (Lucy Liu) first case as a detective, TVGuide.com has learned exclusively. The 43-year-old actor will portray Drew Gardner, an aggrieved husband whose wife has been missing for six months — and her family suspects foul play.

Hamilton, whose credits include The Good Wife, Necessary Roughness and Third Watch, will appear in an episode slated to air Thursday, March 14 at 10/9c on CBS.