26 characters IGDB has catalogued for Spec Ops: The Line.
1st Lt. Alphanso Adams
1st Lt. John McPherson
Additional Voices
Agent Daniels
Agent Gould
Agent Riggs
Capt. Martin Walker
Commando
Damend Officer
Damned Gunner
Damned Medic
Damned Scavenger
Elite Soldier
Exile Gunner
Exile Medic
Exile Officer
Exile Sniper
Interrogator
Lt. Col. John Konrad
Marine
Multiplayer Announcer
Officer
Refugee
Soldier
SSgt. John Lugo
The Radioman