Where Danger Lives

A compassionate physician whose professional calm is eroded by a concussion and a growing obsession with Margo. He falls for her while treating her, and his judgment becomes compromised as the pursuit and danger escalate. His naiveté and determination propel him into the couple's flight and the subsequent crime investigation.

A beautiful, unstable heiress whose charm masks a volatile psyche. She manipulates Jeff and orchestrates their escape, hiding her culpability in a tangled flight from the law. Her actions trigger the murder and the film's fatal resolve.

Margo's wealthy husband, a controlling and imposing figure. He confronts Jeff, is attacked during a struggle, and dies, setting off the moral quandaries surrounding the fugitives and their flight.

Jeff's nurse girlfriend who represents loyalty and stability. She provides a counterpoint to Margo's manipulation and serves as a touchstone for Jeff's humanity amid the crisis.

The theater owner who becomes a facilitator in the couple's attempt to flee, offering to smuggle them into Mexico for a price. His opportunism threads through the fugitives' precarious plans.

A sly used-car salesman who helps stage the escape by providing transportation and lending a veneer of plausibility to the couple's flight.

The local lawman in Postville who tracks the fugitives and enforces border-crossing restrictions as the escape attempts unfold.

The town's police chief who enforces marriage traditions and becomes part of the scrutiny surrounding the couple's behavior in the frontier town.

A supporting doctor figure whose presence underscores the medical setting and the ongoing concerns about Margo's mental state and Jeff's injuries.