Backfire

A wounded World War II veteran who seeks normalcy in postwar life while helping uncover the truth behind Steve Connolly's apparent crime. He is determined, resourceful, and morally guided by loyalty to friends and Julie. His resilience drives him to confront danger as he pursues justice.

Bob's comrade-in-arms whose spinal injuries from the 'accident' threaten the plans and relationships around him. He leads a double life and falls in love with Lysa, which complicates the case. His physical fragility masks a steely determination to survive and clear his name.

A devoted nurse and Bob's ally who investigates Steve's supposed crime. She disguises her presence, connects with key witnesses, and ultimately fights to prove Steve's innocence. Her bravery and resourcefulness anchor the effort to expose the truth.

Steve's girlfriend and Walsh's companion, whose relationship with Steve catalyzes the plot. Her involvement and eventual murder propel the investigation. She embodies allure and danger, complicating loyalties.

The duplicitous figure who runs a double life with Walsh, orchestrating plans to swindle Blayne and send Steve to a doomed fight. He embodies calculated manipulation and ruthless ambition, driving the murder spree.

A gambler and racketeer whose murder triggers the investigation. He embodies the underworld's leverage and the danger that follows those who cross the wrong people. His death sets the chain of revelations in motion.

The police captain who interrogates Bob and Julie and pursues the case, championing justice even when suspects protest. He embodies procedural diligence and authority in the investigation.

A gossiping hotel guest who becomes a victim, her murder raises the stakes and tests the partners' resolve. She represents the danger lurking in seemingly ordinary spaces.

A doctor linked to Steve's medical file and key to the conspiracy, whose actions threaten to destroy the truth. He personifies professional complicity and hidden agendas.

Widow of Solly Blayne who provides crucial information about the murder night. She becomes a source of truth that guides the investigators.

A witness who claims information about Steve and who is shot after revealing his knowledge. He deepens the mystery and shows the danger surrounding the investigation.

A gossipy hotel maid who provides early clues about Steve and Lysa's relationship. Her chatter helps set the plot in motion, even as she stays in the background.