Inseminoid

A medical assistant whose role becomes perilously entangled with the planet’s alien intelligence. Possessed by the crystals, she gains superhuman strength and commits brutal acts before her eventual death at the hands of Mark. Her arc centers on how contact with the alien ecosystem erodes humanity and ethics.

Documentation officer who finds herself trapped when an airlock is compromised. She fights to survive as the toxic atmosphere closes in, ultimately stripping away her helmet and meeting a fatal end. Her fate underscores the stakes of exploration on a hostile world.

Exolinguist who deciphers wall markings and theorizes the civilization’s dualistic foundations. He is ripped apart by a subterranean monster, illustrating the literal dangers of interpreting alien cultures without full understanding. His analytical mind contrasts with the brutal reality of the planet.

Documentation officer who maintains records and shoots Ricky to prevent an inner-airlock breach. She shows practicality and determination under pressure, helping to organize the team’s defense and escape plans before the base is overwhelmed.

Crew member who becomes a victim of Sandy’s rampage, illustrating how quickly personal safety gives way to chaotic violence. Her death marks a turning point in the team’s unraveling situation.

Photographer whose survey work is interrupted by an explosion that cripples him. He later becomes a casualty amid the base’s collapse and the alien threat’s escalation.

The team doctor trying to treat injuries and the accelerated infection trigger caused by the encounter. He is killed as the situation spirals, underscoring the limits of medical science against a hostile, growing threat.

Medical assistant who assists during the crisis and becomes a target as the alien influence spreads. She survives long enough to witness the twins’ emergence before being fatally threatened.

Commander who participates in coordinating the defense and eventual sedation efforts. She is killed during Sandy’s violent rampage and the base’s collapse.

Crew member who ultimately overpowers Sandy and attempts to control the crisis. He discovers the twins with Sharon after Sandy’s demise, highlighting a grim twist of survival and responsibility.

Shuttle pilot who communicates with the Xeno team and signals for a potential rescue, symbolizing the outside connection to a failing expedition.

Commandos who accompany Roy in the attempt to salvage survivors after the base destruction. They face the grim reality of abandoning the search as the mission ends.

Commandos leader alongside Corin, instrumental in the decision to halt the search for survivors when contact is lost. His role frames the expedition’s grim escalation and ultimate retreat.

Originally a team member who is possessed by the alien intelligence after contact with the crystal sample. He incites chaos by returning to the caves and attempting to escape the base, ultimately meeting his demise.

Duplicate entry included for cross-reference consistency with Gail’s role; see Gail above.