Guest Stars Matthew Bennett as Staff Sgt. Slater Sarah Podemski as Agent Ledford Erin Karpluk as Dr. Laura Gray Gabrielle Miller as Dr. Jillian Sisley Jonathan Watton as Nicholas D'Angelo James Bilik as Jeff Sisley Benz Antoine as Julian Courvreur Sean Bell as Donny Stark Bishop Brigante as Dennis Falk Bruno Verdoni as Damien Katherine Cleland as Danielle Boulanger Allen Altman as Gerard Perrault