Characters

The co-pilot of the Cassiopeia and one of the main protagonists. Osmond is the moral center of the crew, and her decisions heavily influence the fate of everyone on board.

The commanding officer of the Cassiopeia and a veteran explorer known as the first man on Mars. His leadership decisions have far-reaching consequences for the crew, and Stafford faces some of the toughest calls in the game.

The ship's science officer. Central to the clone/mimic plotline — a duplicate Eisele appears in Episode 6, requiring careful identification to avoid disaster.

A crew member of the Cassiopeia. First playable in Episode 3. Cernan's survival depends heavily on choices made by other characters.

A crew member of the Cassiopeia. Cooper is resourceful and often finds themselves in dangerous situations requiring quick thinking.

Carter dies in a scripted story event during Episode 1 and cannot be saved regardless of player choices. Do not attempt to save Carter — it is impossible.

Simms dies in a scripted story event during Episode 1 and cannot be saved regardless of player choices. Both Carter and Simms have scripted deaths that cannot be prevented.

Exposed as an alien duplicate in the Episode 5 scanner standoff. Williams can survive — but only if you prepared the sedative in the science lab and chose Stand Down at Point Blank. Shooting him locks the Sedate Williams trophy.

Trapped in the hydroponics fire in Episode 5 — you can save both Mitchell and Anders despite the UI making it look like a pick-one. Mitchell rejoins in the Episode 7 Search Party and matters again at Knock Knock in Episode 8.