by Adam Bryant | Jul 5, 2011 3:17 PM EDT
Memphis Beat's second-season finale is setting up quite a showdown: Field of Dreams' Amy Madigan and Millennium star Lance Henriksen will guest-star as the heads of rival crime families, TVGuide.com has learned.
Summer TV: Get scoop on your favorite shows
Check out photos of the Memphis Beat cast
Breaking News, TNT, Celebs, Summer TV, Exclusive
Download the TV Guide app for iPhone, iPad and Android!