Guest Stars Fredric Lehne as Kevin Warren Richard Brooks as City Inspector Mark Boulware Virginia Williams as Nadia Dawson Lauren Bowles as Valerie Blunt Pej Vahdat as Jason Kashani Shea Whigham as Jered Blunt Chris McGarry as FEMA Commander Stevens Cheryl White as Mayor Meredith Fallon Sam Ball as Joe Spaly Co Starring Jessica Wright as Sylvia Brian Oblak as FBI Agent #1 Christopher Goodman as Paramedic Ramon De Ocampo as Michael Moira Squier as Reporter #1 Lorenzo Callender as Brian Denman Ross Mackenzie as FEMA Tech Leesa Severyn as Reporter #2 Erik Rondell as Elevator Worker Martin Dorsla as Clint Kisker Leelila Strogov as Female Reporter