| | | | Part I Long-Leggedy Beasties |
| 1 | Katherine | Priddy | A Boston University student. aka: Kate. |
| | George | Daniels | An English horologist. |
| | Corbin | Dell | Kate Priddy's second cousin. |
| | Henry | James | American British author. |
| | Carol | Valentine | The president of the building association. |
| | Bob | | The doorman. |
| | Audrey | Marshall | A literary agent in New York. |
| 2 | Philip | | Corbin's brother. |
| | Richard | Dell | Corbin's father. |
| | Lucy | Priddy | Kate's mother. |
| | Amanda | | Richard Dell's wife. |
| | Patrick | | Kate's father. |
| | Alice | | Patrick's border terrier. |
| | Rupert Penry | Jones | British actor. |
| 3 | Theodora | | Kate's therapist. |
| | Alan | Cherney | Kate's new acquaintance. |
| | Sanibel | | A doorman. |
| | Sanders | | A cat. |
| | Florence | Halperin | Kate's neighbor. |
| | John D. | MacDonald | American writer of novels and short stories. |
| | Dick | Francis | English jockey and crime writer. |
| | Roberta | James | A detective. |
| | Martha | | Kate's neighbor in London. |
| | Jean | Seberg | American actress. |
| | Rachael | Chess | Corbin's new acquaintance. |
| 5 | Doris | Day | American actress. |
| | Rex | Harrison | English actor. |
| 6 | Quinn | | Alan Cherney's girlfriend. |
| | Viv | | Quinn's best friend. |
| | Chet | Baker | American jazz trumpeter. |
| | Mike | | Quinn's friend. |
| | John | Le Carre | British author. |
| | Brandon | | Quinn's new acquaintance. |
| 7 | Gillian | Flynn | American writer. |
| | Bella | | Alan's acquaintance. |
| | Karen | Gibson | A police officer. |
| 8 | Jack | Ludovico | Audrey's close friend. |
| | Kerry | | Audrey's best friend. |
| 9 | Brad | Pitt | American actor. |
| | Robert | Christie | Canadian actor and director. |
| | Sadie | | Kate's cousin. |
| 10 | Hannah | | Alan's sister. |
| 11 | Martha | Lambert | Kate's new best friend. |
| 12 | Claire | Brennan | Corbin's new acquaintance. |
| 13 | Sarah | Scharfenberg | One of Corbin's acquaintances. |
| | Henry | Wood | One of Corbin's acquaintances. |
| | Mr. | Hinchliffe | Corbin's professor. |
| 15 | Barry | | Corbin's fellow intern. |
| | Anna | | Henry's girlfriend. |
| | Linda | Alcheri | Henry's new acquaintance. |
| | Hank | Bowman | Henry's fake name. |
| 18 | Agatha | Christie | English mystery and detective writer. |
| | John | Grisham | American lawyer, politician, and author. |
| | Ashley | Judd | American actress. |
| | Stephen | King | American writer. |
| | Robert | Jordan | American author of epic fantasy. |
| | Chuck | Palahniuk | American novelist, essayist. |
| | Orson Scott | Card | American science fiction novelist. |
| | Pablo | Picasso | Spanish artist. |
| 19 | Sumera | | Kate's classmate. |
| | Lila | Anderby | Kate's new neighbor. |
| | Bill | Valentine | Carol's husband. |
| 20 | Oscar | | A tenant. |
| 21 | Abigail | Tan | An FBI agent. |
| 23 | Gregory | Chapel | An instructor at nursing college. |
| 24 | Allie | | A counselor. |
| 25 | Wendy | Hiller | English film and stage actress. |
| | Roger | Livesey | British stage and film actor. |
| | Leslie | Howard | British actor. |
| 26 | Charles | Bukowski | German-American writer. |
| | Bram | Heymans | Corbin's acquaintance. |
| 27 | Stanley | Kubrick | American filmmaker. |
| | Jack | Nicholson | American actor. |
| | Jack | Torrance | Fictional character in Stephen King's novel The Shining. |
| | Melanie | Gellar | A licensed therapist. |
| | Joseph | Hahn | A CPA. |
| | Mrs. | Heathcote | Corbin's acquaintance. |
| | | | Part II An Even Split |
| 30 | Kaylee | Buecher | Henry's new acquaintance. |
| | Andy | Warhol | American artist and film director and producer. |
| | Mao | Zedong | Chairman - Central Committee of the Chinese Communist Party. |
| 31 | Jenny | Gulli | The first girl to really disappoint Henry. |
| 32 | Nancy | | A therapist. |
| 33 | Samantha | | A bartender. |
| 36 | Albert | Dietrichson | A judge. |
| | Mike | Gaetano | One of Abigail's colleagues. |
| | Ande | Damour | One of Abigail's colleagues. |
| 37 | Vicky | Wilson | A nurse. |
| | Jim | Wood | Henry Wood's father. |
| | Lina | Wood | Henry Wood's mother. |
| 38 | Barbara | Pym | British writer. |
