Elias Koteas
Colonel Marks (13 eps)
Michelle Borth
Dr. Rebecca Gordon (13 eps)
Luke Mably
Dr. Simon Hill (13 eps)
Deborah Kara Unger
Major Grace Pedersen (13 eps)
Terry Chen
Captain Bobby Trang (13 eps)
Arnold Pinnock
Commander Will Royal (13 eps)
Jack Murray
Soldier Five (1 eps)
Mena Massoud
Salman Zawab (1 eps)