Le commissaire / Superintendent
Ex-convict Georges Manda returns to the free world determined to go straight and takes a steady job as a carpenter. Unable to completely shake his connections with the underground, he meets with a former prison mate, older gangster Félix Leca, who introduces him to his mistress, the sweet but guarded Marie "Casque d'Or". Marie and Georges fall into a passionate relationship, driving Félix to do everything in his power to ruin the couple.
Dabadie, le chef de section
On board a train bound for the port city of Le Havre, France, railroad stationmaster Roubard murders Grandmorin, who seduced his beautiful young wife, Severine. Engineer Jacques Lantier, stuck in Le Havre while the train is being repaired, also begins a passionate affair with Severine, who tries to entice the handsome stranger to murder her controlling husband. However, Lantier has a secret urge of his own that changes everything.
