Andre Braugher
as Captain Marcus Chaplin
Scott Speedman
as Lt. Cmdr. Sam Kendal
Daisy Betts
as Lt. Grace Shepard
Camille de Pazzis
as Sophie Girard
Daniel Lissing
as Petty Officer James King
Autumn Reeser
as Kylie Sinclair
Robert Patrick
as Master Chief Joseph Prosser
Dichen Lachman
as Tani Tumrenjak
Sahr Ngaujah
as Julian Serrat
Jessy Schram
as Christine Kendal