Copacabana

A flashy but talentless vaudeville partner who scapegoats the act’s success by presenting Carmen as the talent and himself as her manager. He schemes to cash in on two acts and secure bigger deals, showing a ruthless appetite for fame. His greed leads to reckless decisions, including the plan to fake a murder to cover his tracks.

A Brazilian singer who becomes the driving force behind the two-identity act, playing both Carmen Navarro and the veiled Mlle. Fifi. She uses the double persona to seize opportunities and manipulate Steve’s attention, all while maintaining control of the unfolding ruse. Her flair for performance hides a calculating, collaborative streak with Lionel.

The veiled Parisian dancer created to mirror Carmen, appearing as a separate star to outshine the real performer. The ruse relies on the belief that Fifi and Carmen are distinct, increasing tension as the deception grows. Fifi’s disappearance amid the scheme provokes the central murder scare that drives the plot.

The show producer who is initially drawn to Carmen and then to Fifi, using romantic interest as leverage to shape business deals. He becomes entangled in the deception while pursuing his own romantic and professional interests. In the end, his true feelings for Anne complicate the love triangle forged by the ruse.

Steve’s secretary who secretly loves the producer and resents his attention to Fifi. She becomes a catalyst in revealing the truth behind the staged performances, using her position to assist in exposing the deception. Her presence tightens the romantic and moral stakes of the plot.

A rival agent who pushes Lionel to sell Fifi’s contract for a quick payoff, then grows suspicious as the ruse escalates. His greed and opportunism threaten to derail the entire scheme, contributing to the tension that leads to the climactic unraveling of the plot.