Sabretooth

A brilliant, morally flexible scientist who clones the sabretooth. She drives the mission for profit, manipulating Thatcher to gain funding and prestige. She discards Thatcher's satellite phone to keep control of the operation, and she refuses to let the creature be destroyed, believing it will yield scientific breakthroughs. Her plan backfires when the predator kills her.

A seasoned big-game hunter and tracker hired to locate the sabretooth. He challenges the scientists' plan and pursues the creature with grim determination, even when it means breaking rules. He is fired for attempting to kill the predator outright and ultimately plays a pivotal role in the final confrontation.

A zoologist working for Catherine who is killed by the sabretooth. Her expertise is essential to the project, but the creature proves a lethal threat. Her death underscores the danger of the experiment and raises the stakes for the survivors.

Group leader for the trainees; practical and calm under pressure. She guides the group through the mountains while navigating the threats, displaying resourcefulness and leadership. She survives the ordeal alongside Thatcher and Trent.

Senior guide who remains vocal about the dangers and helps manage the group. He is ultimately killed as the sabretooth closes in, marking a turning point in the survivors' struggle for safety.

Catherine's colleague; a scientist who hopes to profit from the creature's existence. He is drawn into the pursuit and becomes a casualty as the sabretooth asserts its danger, underscoring the perils of unbridled ambition.

A quiet, enigmatic presence among the group. The details of his role are not deeply explored in the provided summary, leaving him as a cryptic figure within the group dynamics.