Black Angel

Hard-edged LAPD captain who handles the investigation into Mavis's murder. He believes Kirk Bennett is guilty and pursues a conviction with professional resolve, even as new leads emerge. His authority anchors the procedural backbone of the noir world, though his certainty is tested by Catherine’s investigations.

A glamorous socialite whose secrets and social power help drive the plot. Her murder sets off the investigation and exposes the dangerous intersections of wealth, blackmail, and desire. Her presence lingers as the mystery unfolds around her relationships and choices.

Married man visiting Mavis; he is accused of murder and faces execution. His guilt and innocence are debated as the case spirals, making him the focal point around which justice and personal loyalty collide. His downfall underscores the noir theme of appearances versus truth.

Kirk's steadfast wife who refuses to accept the official verdict. She conducts her own investigation, partnering with Marty to uncover the truth. Her determination reveals themes of loyalty, self-reliance, and the cost of uncovering hidden pasts.

Nightclub owner with a shadowy past who becomes a suspected blackmailer connected to Mavis. He is central to the clue trail, but his true guilt remains in question until the investigation closes in. His character embodies the noir trope of the enigmatic, potentially dangerous insider.

Alcoholic pianist and composer who enters into a partnership with Catherine. His charm hides a volatile guilt that intensifies as the plot twists unfold. The climax reveals a buried crime, challenging his public persona and leaving him to face the consequences of his actions.