| James | Audet | Friend of Miranda's at Orono HS |
| Michael | Bialik | Boyfriend of Lily's mother, linguistics professor at the university |
| Sandy | Bialik | Michael's son, piano prodigy |
| John | Corning | Concierge at a Kennewick Hotel in ME |
| Brad | Daggett | Contractor working on the Severson's property, Aka: Braggett |
| Jason & Bella | Daggett | Brad's children |
| Billy | Elkins | Police officer on Kimball's team |
| Stephanie | Flynn | Lily's court-appointed lawyer |
| Polly | Grenier | Woman at the bar, friend of Brad |
| Elaine | Harris | Ted's mother, receptionist at Lextronics, later moved to CA |
| Sharon | Henderson | Lily's mother, artist with tenure
at Shepaug University |
| Andrew | Hobart | Miranda's father |
| Sandra Roy | Hobart | Miranda's mother |
| Chief Jim | Ireland | Police chief in Kennewick |
| Detective Roberta | James | Det. Kimball's partner |
| Detective Henry | Kimball | Detective investigating Ted's death |
| David | Kintner | Lily's father, English novelist, professor at Shepaug University |
| Lily | Kintner | Archivist at Winslow College |
| Otto | Lemke | Lili's boss at the Winslow library |
| Addison | Logan | Lily's roommate in London at Faunce Institute of Art |
| Elizabeth | Minot | Woman buried in the Concord Center cemetery |
| | PART I | The Rules of Airport Bars |
| | PART II | The Half-Finished House |
| | PART III | Hide the Bodies Well |
| Chad | Pavone | Ted's college friend hosted the party where Ted met Miranda |
| Sherry | Pavone | Chad's wife |
| Rachel | Price | Neighbor of Ted & Miranda saw Brad the night of Ted's murder |
| Rebecca | Rast | Ted's prom date junior year in high school |
| Barry | Severson | Ted's father, programmer
at Lextronics in Middleham, MA |
| Miranda Hobart | Severson | Ted's wife, artist |
| Ted | Severson | Investor & advisor of start-up Internet companies, Aka Teddy |
| Katie | Stone | Friend of Lily's at Mather, encounters Lily in NYC during the summer |
| Eric | Washburn | Junior at Mather College when Lili was a freshman, president of St. Dunstan's literary society |
| Aaron | | Ted's best friend in high school |
| Bess | | Orange cat Lili owned as a young girl |
| Chet | | Painter hired by Lily's mother |
| Emily | | Kimball's younger sister |
| Faith | | Junior at Mather, Eric's girlfriend |
| Gemma | | David Kintner's young 2nd wife in London, killed in auto accident |
| Jack | | Polly Grenier's cocker spaniel |
| Jessica | | Lili's freshman college roommate |
| Jim | | Drywall contractor working on Ted & Miranda's house in Maine |
| Laurie & Nicole | | Waitresses Lily met at the Kennewick Hotel bar |
| Mark & Callie | | Couple in restaurant business Lily met at Kennewick Hotel bar |
| Mog | | Feral cat that Lily feeds at her Winslow home |
| Nolan | | Addison's boyfriend |
| Pyewacket | | Kimball's cat |
| Sidney | | Bartender at Kennewick
Inn who had a crush on Miranda |
| Three Winonas | | Lili's sophomore year suitemates at Mather College |