Shotgun

A steadfast marshal who abandons a government job and his fiancée to chase the gun-runners. He is resolute, dedicated to enforcing order, and willing to risk himself to bring criminals to justice. His relentless pursuit drives the film’s sequence of ambushes, rescues, and confrontations, including a pivotal rescue of Abby and Bentley.

A former saloon worker seeking a new life in California. She is wary of Hardin’s obsession with danger but is drawn to him and the possibility of a shared future. Her escape and capture catalyze major plot developments and she ultimately opts to join Hardin on his ranch.

Leads the gun-running gang and proves to be a calculating, dangerous foe. He underestimates Hardin and pushes the feud toward a fatal confrontation. His ambush and ruthless tactics set the stakes for the duel that follows.

A bounty hunter who seeks the reward and often clashes with Hardin’s sense of justice. His actions complicate the pursuit and contribute to the danger surrounding Abby. He is ultimately outmaneuvered in the plot’s final acts.

Apache chief who weighs his people's interests and agrees to a dramatic duel to settle the feud. He orders the rules of the showdown and ultimately delivers the decisive blow that ends Thompson’s life. His presence injects a political dimension to the frontier conflict.

A member of Thompson’s gang who is captured and left to die by Apaches, then later becomes a target as he tries to shoot Hardin. His arc underscores the brutal, disposable nature of the frontier’s loyalties.