Guest Stars Christopher Redman as Trace Analyst Michael Travers Megalyn Echikunwoke as Medical Examiner Dr. Tara Price Andrew Divoff as Ivan Sarnoff Ivan Sergei as Greg Donner Alaina Huffman as Cassandra Gray Aaron Hill as Andrew Brodsky Maite Schwartz as Kaylee Westmore Shawn Huff as Susan Madden Mark Collier as Daniel Nash Co Starring Derek Mears as Jason Weller Andy Dylan as Nathan Madden Marcus LaVoi as Vince Koslov