Main Characters Captain Marcus Chaplin 13 main appearances Lt. Cmdr. Sam Kendal 13 main appearances Lt. Grace Shepard 13 main appearances Sophie Girard 13 main appearances Petty Officer James King 13 main appearances Kylie Sinclair 12 main appearances Master Chief Joseph Prosser 11 main appearances Tani Tumrenjak 10 main appearances Julian Serrat 10 main appearances Christine Kendal 10 main appearances
Recurring Guest Characters Seaman Redman 2 guest appearances Peterson 2 guest appearances Amanda Straugh 2 guest appearances Chief 2 guest appearances One Armed Woman 2 guest appearances Parker 2 guest appearances Booth 2 guest appearances Seaman Reynolds 2 guest appearances Wes Porter 2 guest appearances Speaker of the House Conrad Buell 2 guest appearances News Reporter 2 guest appearances Gil Langston 1 guest appearances Stern 1 guest appearances Abigail 1 guest appearances Armed Marine 1 guest appearances Weapons Officer 1 guest appearances Pilgrim 1 guest appearances Linus 1 guest appearances Linus's Wife 1 guest appearances Viktor 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥