Guest Stars Gerard Plunkett as Senator James Van Horn JR Bourne as CIA Agent Edwards Ravil Isyanov as Timur Vasiliev Co Starring Chris Shields as Special Agent Fisher Chris Eastman as CSI Investigator Michelle Harrison as Natalie Dancik Karen Holness as Diane Broyles Megan Charpentier as Tara Angela Moore as Another Nurse Veena Sood as HR Head Johanna Marlowe as Nurse Maxine Linda Ko as Nurse Darla Dean Monroe McKenzie as Rob Blaine Anderson as CSI Officer Jeanettea Antonio as Hospital Security Charisse Baker as Tara's Mother Linnea Johnson as Nurse #1 Joe Towne as Randy Dancik D. Neil Mark as ND Agent #2 Matteo Mazziotti as Boy in Restaurant Yaroslav Poverlo as Aleks Vasiliev Uncredited Michael Cerveris as September