Borderline

A vigilant Patrol Agent in Charge who relentlessly pursues the killers and questions official accounts. He blends street-smart instincts with formal authority, often clashing with FBI interpretations while staying focused on truth. His undercover work with Elena shows his willingness to take risks to protect the vulnerable and reveal hidden networks.

A veteran USBP Senior Patrol Agent and loyal ally to Maynard. He embodies steady experience and practical wisdom, guiding others even as the case turns dangerous. His sacrifice raises the stakes for the investigation and highlights the cost of pursuing justice.

Elena is the boy's mother who crosses into the United States to seek help for her family. She demonstrates resilience and resourcefulness, aiding the investigation by guiding Maynard through the migrant world and helping him get closer to the truth.

A rookie Patrol Agent who teams up with Maynard and Fantes, learning on the ground about border crimes. He represents the new generation of agents who confront dangerous smuggling networks and moral ambiguities.

A former Marine and the leader of the smuggling operation, nicknamed 'the Marine'. He combines military savvy with chilling professionalism, orchestrating large-scale alien smuggling and showing ruthless willingness to kill to protect his business.

A ranch owner who uses his farm as a front for alien smuggling and exploitation of illegal labor. He represents the corrupt intersection of legitimate business and criminal networks, outwardly generous but morally compromised.

INS Commissioner who cautions Maynard to proceed carefully. He embodies bureaucratic authority and the tension between following the system and pursuing truth on the ground.

A smuggler connected to the larger network, involved in bringing aliens across the border and maintaining the operation's supply chain. He represents the human element of the smuggling route crossing from Mexico.

The Mexican boy whose death sets the plot in motion and whose mother Elena becomes a key ally for Maynard. He is the human cost that drives the investigation and desire for justice.