Jamie Bamber

Jamie Bamber has landed a multi-episode arc on Rizzoli & Isles, TVGuide.com has confirmed.

As first reported by TVLine.com, the Battlestar Galactica alum will play Paul Wescourt, a prosecutor accused of killing his mistress.

Get the scoop on your favorite returning summer TV shows

Bamber, whose credits also include Body of Proof and Law & Order: UK, will first appear in the season finale on Tuesday, Sept. 2.

Rizzoli & Isles airs Tuesdays at 9/8c on TNT.

Watch This Tonight — See why Deadliest Catch is our editors' pick: