| Kinsey |
Millhone | Private investigator, protagonist |
| Nikki |
Fife | Kinsey's client |
| Laurence |
Fife | Nikki's husband, convicted of murdering his business partner |
| Con |
Dolan | Lead investigator on Nikki's case |
| Charlie |
Scorsoni | Laurence's law partner |
| Wilfred |
Brentnell | Nikki's lawyer |
| Lieutenant |
Dolan | Officer from homicide department |
| Emerald |
| One of Dolan's assistants |
| Becker |
| Dolan's colleague |
| Libby |
Glass | An accountant, one of Laurence's mistresses |
| Henry |
Pitts | Kinsey's landlord |
| Rosie |
| Resto owner |
| Colin |
Fife | Laurence and Nikki's son |
| Sharon |
Napier | Laurence's secretary |
| Ruth |
| Firm's secretary |
| Gwen |
Fife | Laurence's first wife |
| Marcia |
Threadgill | One of the persons that Kinsey investigates |
| Dashiell |
| One of the dogs at Gwen's shop |
| Wuffles |
| One of the dogs at Gwen's shop |
| Kathy |
| Gwen's assistant |
| Gregory |
Fife | Laurence and Gwen's son |
| Diane |
Fife | Laurence and Gwen's daughter |
| Mrs |
Voss | Nikki's housekeeper |
| Bruno |
| Nikki's dog |
| Charlotte |
Mercer | One of Laurence's mistresses, a judge's wife |
| Bob |
Dietz | Nevada investigator |
| Grace |
Glass | Libby's mother |
| Lyle |
Abernathy | Libby's ex-boyfriend |
| Raymond |
Glass | Libby's father |
| Allison |
| Receptionist |
| Garry |
Steinberg | Libby's senior accountant |
| Arlette |
| Switchboard operator |
| Terri |
| Diane's friend |
| Andy |
Motycka | Kinsey's boss |
