A charming and thrill-seeking detective who copes with personal loss while maintaining emotional distance from others and is notably more physically engaged in their investigations.

An empathetic and socially adept detective with keen observational skills, known for assuming different personas to aid in investigations and maintaining an air of mystery about her identity.

An NYPD officer initially skeptical of the main characters, but becomes an ally, balancing her respect for procedure with a willingness to bend the rules for a greater good.

A police commissioner who is wary of private investigators and often finds himself at odds with the main trio due to his adherence to the established structures of policing.

The mayor, involved in a scandal and initially suspected in a murder case, ultimately aligning with other antagonistic forces in the story.