Lady Ice

A Department of Justice official who oversees the investigation into the alleged jewel thefts. He methodically pieces together the connections between Paula, Eddie, and Booth to build a case. He exudes control and uses official channels to pressure suspects, illustrating the film's themes of power and manipulation.

An insurance investigator from Chicago who appears suave but is orchestrating a multi-jewel scheme. He uses his investigative persona to manipulate Paula and Brinker, while pursuing a larger payoff. He negotiates deals, evades capture, and shows a willingness to betray allies to secure the jewels.

Wealthy young woman who initially resents Hammon's advances but becomes entangled in his plan. She is cautious, skeptical of criminal schemes, and negotiates for immunity and safety. Her choices drive the plot and reveal a pragmatic, survival-oriented side.

Paula's father, a wealthy businessman whose unexplained wealth draws attention from the investigation. He fires Hammon from the garage job and becomes a central figure under scrutiny for possible money matters. His status and secrecy heighten the stakes for everyone involved.

Paula's contact within the Chicago operation; a loyal but dangerous partner who coordinates the sale of the stolen gems. His actions drive pursuit and escalate risk, offering constant tension as loyalties shift.

A wealthy jewelry dealer who negotiates deals and helps move the stolen gems. He collaborates with Paula and Eddie to move the jewels and later attempts to claim the insurance money after being robbed. His role anchors the mercantile side of the caper.

A slick fence known as 'The Fat Man' who tries to move the stolen necklace and becomes a catalyst for the investigation. He is killed early in the plot, triggering further complications and torpedoing one strand of the operation.

A minor jeweler involved in the movement of gems within the criminal network. He represents the everyday trades that underpin the caper and helps connect the thieves to the market.

A second jeweler who participates in the supply chain surrounding the stolen gems. His role underscores how many hands contribute to illicit profit in the jewelry trade.

One of the gang members who carries out the initial robbery and helps set the plot in motion. His involvement marks the start of a chain of crimes that ripple through every location the story visits.

Another member of the burglary crew who teams with the group to move the jewels. His role contributes to the cross-city nature of the crime and the rising tension as the plan unfolds.

A cast member credited as Head Matron; appears in a supporting capacity within the film’s network of locations. Her scenes add to the film's atmosphere and procedural texture, without being a central driver of the plot.