Guest Stars Robert John Burke as Patrick Simmons Annie Parisse as Kara Stanton Michael Kelly as Mark Snow Susan Misner as Jessica Arndt Jonno Roberts as Peter Ardnt José Zúñiga as Neil Vargas Skipp Sudduth as Detective Byrne Reg E. Cathey as Davidson Robin Lord Taylor as Ajax Michael Aronov as Cahill Jill Paice as Melinda Tulley Co Starring Walter Belenky as ESU Tech Skylar Gaertner as Danny Cahill Jimmy Palumbo as Detective Michael Berresse as L.O.S. Keith Eric Chappelle as Air Medic Mike Laurence as Hollister Thom Sesma as Mr. Su