The Season One Cast includes 10 starring cast members and numerous guest stars.


  1. Andre Braugher as Captain Marcus Chaplin
  2. Scott Speedman as XO Sam Kendal
  3. Daisy Betts as Lieutenant Grace Shepard
  4. Camille De Pazzis as Sophie Girard
  5. Dichen Lachman as Tani Tumrenjak
  6. Daniel Lissing as SEAL Officer James King
  7. Sahr Ngaujah as Mayor Julian Serrat
  8. Autumn Reeser as Kylie Sinclair
  9. Jessy Schram as Christine Kendal
  10. and Robert Patrick as Master Chief Joseph Prosser

Guest starringEdit

  1. Matt Gerald as SEAL Officer Gil Langston
  2. Omid Abtahi as Nigel
  3. Max Adler as Seaman Stern
  4. David Rees Snell as SEAL Harper
  5. Michael Ng as Sonar Operator Cameron Pitts
  6. Jessica Camacho as Seaman Pilar Cortez
  7. Will Rothhaar as Seaman Josh Brannan
  8. with Bruce Davison as Admiral Arthur Shepard


  1. Daniel Bess as Lieutenant Chris Cahill
  2. Darri Ingolfsson as Robert
  3. Isaac Gilmore as Fisher
  4. Jason Quinn as Seaman Jones
  5. Kamakani de Dely as an Armed Marine
  6. Mary Gutzi as Dodds
  7. Kasim Saul as Seaman Lawrence
  8. Robert Egbert as the Weapons Officer


  1. Unknown as the SEAL medic
  2. Unknown as Seaman Henry
  3. Unknown as Seaman Reynolds
  4. Unknown as News Reporter 1
  5. Unknown as the National Command Officer
  6. Jay Karnes as William Curry
  7. Unknown as News Reporter 2

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