| | | | Part 1 |
| 1 | Isabela | Stafford | Iris's sister. AKA: Issy. |
| | Iris | Stafford | Issy's sister. Murdered. |
| | Tillie | Von urban | Best friend of Issy's mother. |
| 2 | Walter | Wilkinson | Murder victim. |
| | Julie | | The maitre d' hotel. |
| | Chief | Greening | The police chief. |
| | August | Vollmer | The former Berkeley PD Chief. AKA: Gus. |
| | Johnny | | The police photographer. |
| | Dicky | O'Gar | The police who was supposed to guard Wilkinson. |
| 3 | Mcrae | | A police officer. |
| | Alejo | Sullivan | Protagonist. AKA: Al, Alejo Guiterez. |
| | Jim | Archimbault | A medical examiner. |
| | Genevieve | Bainbridge | Issy's grandmother. |
| | Diarmuid | Doogan | The District Attorney for Alameda county. |
| | Cassie | Bainbridge | Issy's cousin. |
| | Nicole | Bainbridge | Issy's cousin. Cassie's sister. |
| 4 | Roger | Stafford | Issy's father. |
| | Sadie | Bainbridge | Issy's mother. |
| | Julia | Morgan | A renowned architect. Roger's boss. |
| 5 | Miriam | Milsap | Sullivan's half-sister. |
| | Rosemary | | Miriam's mother. |
| | Holly | | Sullivan's secretary. |
| | Collinson | | A witness in Wilkinson's case. |
| | Chick | Uhalt | The hotel weekend day manager. |
| | Juanita | Juarez | The Mexican basement girl. |
| 6 | Ethel | Biddleston | Sadie's housekeeper. |
| | Mabel | | One of the maids. |
| 7 | Jessup | | A businessman. |
| | Madam | Chiang Kai-Shek | Chiang Kai-Shek's wife. |
| | Salvatorre | Ibarra | Nicole's friend. |
| | Earl | Warren | The governor. |
| | J. Edgar | Hoover | The founder of FBI. |
| 8 | Margaret | Chung | Sadie's psychologist. |
| 9 | Mark | Hopkins | Issy's great great great-uncle. |
| | Helena | | Genevieve's sister. |
| | Lionel | | Sadie's father. |
| | Mr. | Von Urban | Tillie's husband. |
| 10 | Jane | Chao | The mystery girl. Murdered. AKA: Shirley Wang. |
| | Moses | Gottlieb | Sullivan's grandfather. |
| | Petrocelli | | Dicky's partner. |
| | Jackie | | The communications officer. |
| | | | Part 2 |
| 11 | John | Bainbridge | Sadie's brother. Cassie and Nicole's father. |
| | Justyna | | John's wife. |
| | Kaz | Sasaki | Genevieves house caretaker. |
| | Yuko | Sasaki | Kaz's daughter. |
| 12 | Father | Johmann | The Abbott. |
| | Gratian | | The master beekeeper. |
| | Roosevelt | | The U.S. President. |
| 14 | Tankersley | | One of the policemen. |
| | Miller | | The man who heard the gunshot. |
| | Douvray | | The man who heard the gunshot. |
| | Miguel | | Sullivan's brother. |
| | Diego | | Sullivan's brother. |
| 16 | Chiang Kai-Shek | | The leader of China. |
| | Vern | Callaghan | Sergeant of SFPD Chinatown's squad. AKA: Headbanger. |
| | Eddie | Gong | The head boss of Hip Sing Tong. |
| | Noel | | One of Eddie's employees. |
| | Mrs. | Liang | Lady Shek's friend. |
| | Mao | Tse-Tung | The communist. |
| 17 | Mr. | Lipman | The President of Wells Fargo. |
| | Eliana | Halikias | The woman who knows Wilkinson's killer. |
| | | | Part 3 |
| 18 | Charles | Abbott IV | Nicole's date. |
| 19 | Sal | Ibarra | Eliana's cousin. |
| | Mr. | Adrianakis | One of the witnesses. |
| | Archibald | Burns | The Bainbridge family lawyer. |
| 21 | Penelope | | Eliana's mother. |
| | Mrs. | Newark | Penelope's boss. |
| | George | Pulaski | A laundry basement service agent. |
| | To | Choy | One of the laundry crew. |
| | Lo | Mein | One of the laundry crew. |
| | Chop | Seuy | One of the laundry crew. |
| 23 | Karl | Bendetsen | A colonel in the U.S. Army. |
| | Moss | | The judge. |
| | Toby | Worlad | A police lieutenant. AKA: Dutch. |
| | Pound | | The old elevator man. |
| 24 | Gladys | Mulkerrins | The principal at Del Mar. |
| | Jack | O'Brien | One of Rosemary's boyfriends. |
| | Mickey | | An owner of a restaurant. |
| | Tony | Lima | Mickey's boss. A mafia boss. |
