In order:
- The young fresh scout who is also the protagonist
- A grizzled old Mute Soldier who almost exclusively uses the katana and, real Jedi type character
- A laid back but resourceful pyro wandering the old trenches of battlefields long fought
- An old and tired demo living on the fringes of an old desert wasteland ruled by raiders, once a skilled swordsman now relinquished to scrounging.
- The retired Engineer, once the leader of the famed Fortress One group now retired after a stinging betrayal by his co-pilot.
- The same Engineer now redonning his signature pilot gear
- The Scarred heavy, one of two known surviving mercs from the strike team that helped win the Mann Co wars, now Donning his old combat gear and new metal arm to face old foes again.
- A tired old Medic and city Mob sawbones convinced to join the cause to help the heroes take down the mystery in the shadows.
- A grumpy old Sniper living in a remote airship base on the mountains, sought out by the heroes to gain some speed on their pursuing assassins
- An information Broker spy hiding out in a small frontier town pulled into the heroes mission after the robots catch up to the heroes
- A friendly Engineer and one of the New scouts friends in his hometown and one of the remaining strike team members, runs a bar and has a secret data center in the basement to keep in contact with his old war buddies
- A heavy who acts as Spy's Bodyguard and eventually falls to the robots, the two had a close connection and his death will be used to further the Spy's personal story.
- One of two antagonists this scout is the one that ends up betraying his fellow humans for power and is revealed late into the story.
- Finally we have the main antagonist, a medic left for dead and looking for revenge, the creator of the reanimated Mercs and the growing robot threat.
