cast
Series Regulars
Catherine Bell
as Denise Sherwood
Wendy Davis
as Lt. Colonel Joan Burton
Brian McNamara
as Colonel Michael Holden
Sterling K. Brown
as Roland Burton
Sally Pressman
as Roxy LeBlanc
Terry Serpico
as Frank Sherwood
Kim Delaney
as Claudia Joy Holden
Drew Fuller
as Trevor LeBlanc
Brigid Brannagh
as Pamela Moran
Katelyn Pippy
as Emmalin Holden
Jeremy Davidson
as Chase Moran
Kelli Williams
as Jackie Clarke
Brooke Shields
as Colonel Katherine "Kat" Young
McCarrie McCausland
as David Burton
Recurring & Guests
Alyssa Diaz
as Gloria
Erin Krakow
as Specialist Tanya Gabriel
Robert John Burke
as General Clarke
Burgess Jenkins
as Eddie Hall
Matthew Glave
as Lt. Colonel Evan Connors
Torrey DeVitto
as Maggie Hall
Lee Tergesen
as Officer Boone
Jesse McCartney
as Tim Truman
Brant Daugherty
as Patrick Clarke
Harry Hamlin
as Professor Chandler
Larry Gilliard Jr.
as Marcus Williams
Seamus Dever
as Dr. Chris Ferlinghetti
Linden Ashby
as Dr. Dan Seaver
Mayte Garcia
as Jennifer Connor
David Call
as Mac
Jason Pendergraft
as Dr. Blake Hanson
Paul Wesley
as PFC Logan Atwater
Michael Nouri
as General Ludwig
Kelly Hu
as Jordana Davis
Susan Lucci
as Audrey Whitaker