Guest Stars Rex Linn as Detective Frank Tripp Boti Bliss as DNA Analyst Maxine Valera Brian Poth as Audio/Visual Tech Tyler Jenson Scott William Winters as Fred Kinnan Vanessa Bell Calloway as Tonya Washington Debi Mazar as Rebecca Briggs Susan Walters as Mary Kinnan Steve Cell as Jack Webster John Ales as Mike Tibbetts Deborah Zoe as Kelley Sloane Bradley White as Stanton Hayes Marcus Chait as Chad Gilbert Mark Devine as Richard Laken