A drifter who takes a job at a roadside diner and becomes the central protagonist. He initiates a passionate affair with Cora and orchestrates a double murder plot to secure their future, ultimately leading to tragic consequences.
Madge serves as Frank's romantic distraction during Cora's absence.
Kennedy attempts to extort money from Frank by threatening legal exposure.
Nick employs Frank at his roadside diner, establishing a clear employer-employee dynamic.
Explore the full interactive character relationship map of The Postman Always Rings Twice