| | | Part One: The Shore |
1 | Dexter | Styles | Businessman. |
| Anna | | Eddie Kerrigan's daughter. |
| Harriet | Styles | Dexter Styles's wife. aka: Hattie. |
| Agnes | Kerrigan | Anna's mother. aka: Aggie. |
| Tabatha | | Dexter Styles's daughter. aka: Tabby. |
| Phillip | | Tabatha's brother. |
| John-Martin | | Phillip's twin brother. |
| Eddie | Kerrigan | Agnes's husband. aka: Aggie. |
| Lydia | | Anna's younger sister. |
2 | Brianne | Belaire | Ed's sister. |
| Bert | | An Olympian. |
| Rudy | Vallee | A trumpeter. |
| John | Dunellen | A man who wants to be an alderman. aka: Dunny. |
3 | | Feeneys | One of Kerrigan's neighbors. |
| Mrs. | Baxter | One of Kerrigan's neighbors. |
| | Lutz | One of Kerrigan's neighbors. |
| | Boyle | One of Kerrigan's neighbors. |
| Pearl | Gratzky | Agnes's acquaintance. |
| Mr. | Gratzky | Pearl's husband. |
| Mr. | Praeger | Agnes's neighbor. |
| Matty | Flynn | A barkeeper. |
| Jimmy | Braddock | A boxer. |
| | Lunergan | Dunellen's acquaintance. |
| Dare | Dooling | A banker. |
| Cardinal | Hayes | Dare Dooling's close friend. |
| Nat | | Dunellen's acquaintance. |
| Maggie | | Dunellen's wife. |
| | Tancredo | A wop. |
| Bart | Sheehan | Worked for the state attorney's office. |
4 | Jacob | De Veer | One of Eddie's
acquaintances. |
| Sid | | One of Eddie's
acquaintances. |
| | Polsky | One of Mr. De Veer's acquaintances. |
| | Goulds | One of Mr. De Veer's acquaintances. |
| | Fisk | One of Mr. De Veer's acquaintances. |
| | Vanderbilt | One of Mr. De Veer's acquaintances. |
| Reverend | Parkhurst | A priest. |
| Arnold | Rothstein | A young sheenie who won by cheating. |
| Miss | De Veer | Mr. De Veer's sister. |
| | | Part Two: Shadow World |
5 | Charlie | Voss | Anna's supervisor. |
| Rose | | Anna's co-worker. |
| Nell | Konopka | One of Anna's friends. |
| Hardy | | Nell's acquaintance. |
| Rogers | | Nell's co-worker. |
| Stella | Iovine | One of Anna's friends. |
| Lillian | Feeney | One of Anna's friends. |
6 | Louie | | An actuarial. |
| Marco | | Louie's acquaintance. |
| Gino | | A waiter. |
| Anna | Feeney | Name Anna Kerrigan introduced herself as to Dexter Styles. |
7 | Badger | | A man who worked for Dexter Styles. |
| Mr. | Healey | Mr. Mackey's acquaintance. |
| Mr. | Q. | Dexter Styles's silent business partner. |
| Hugh | Mackey | Mr. Styles's associate. |
| Milda | | A maid. |
| Nathalie | | Tabatha's friend. |
| | Winchell | Dexter's friend. |
| Deacon | Bertoli | A predecessor. |
| Beth | Berringer | Harriet's mother. |
| Arthur | Berringer | Beth's husband. |
| Arthur Jr. | | Arthur Berringer's only son. aka: Cooper. |
| George | Porter | A surgeon. |
| Henry | Foster | A schoolmaster. |
| Regina | | Harriet's older sister. |
| Grady | | Cooper's son. |
| Marsha | | Cooper's wife. |
| Bitsy | | Harriet's younger sister. |
| Edith | | George's daughter. |
8 | Liza | | Hugh Mackey's daughter. |
| | | Part Three: See The Sea |
9 | Dr. | Deerwood | Lydia's physician. |
| Mr. | Mucciarone | A grocery owner. |
| Silvio | | Anna's acquaintance. |
| Mr. | Z. | Brianne's lover. |
| Milford | Wilkins | Brianne's acquaintance. |
| Seamus | | Lillian's older brother. |
| Leon 1 | | Anna's boyfriend. |
| Loretta | Stone | Anna's friend. |
10 | Deborah | | Rose's friend. |
| Melvin | | Rose's son. aka: Melly. |
| Douglas | MacArthur | An American five-star general. |
| Mrs. | Hart | A woman who worked at the Naval Yard. |
| Matthew | Perry | A commander of the U.S. Navy. |
11 | Lieutenant | Axel | A master naval diver. |
| Mr. | Greer | One of the tenders. |
| Mr. | Katz | One of the tenders. |
| | | Part Four: The Dark |
13 | Walter | Lipp | Brianne's old friend. |
| Freddie | | Anna's acquaintance. |
| Father | McBride | A priest. |
| Mr. | White | A druggist. |
| Mr. | Iovine | Stella's father. |
| Mrs. | Mucciarone | Silvio's mother. |
| Mrs. | Dewitt | An unmarried woman who is living alone. |
14 | Frankie | | Mr. Q.'s eldest son. |
| Giulio | | One of Frankie's brothers. |
| Johnny | | One of Frankie's brothers. |
| Joey | | Frankie's youngest brother. |
| Aldo | Roma | An old-school racketeer. |
| Mrs. | Mackey | Hugh's wife. |
| Lolly | | A Scotch terrier. |
| Angelina | | A cow. |
| Annaliza | | Mr. Q.'s late wife. |
| Andrew | Volstead | A congressman of Minnesota. |
15 | Olmstead | | A machinist. |
| Paul | Bascombe | One of the tenders. aka: Basky. |
| | Sacco | One of the trainees. |
| | Mohele | One of the trainees. |
| | Hammerstein | One of the trainees. |
| | Littenberg | One of the trainees. |
| | Maloney | One of the trainees. |
| | Marle | A welder. |
| Ruby | | Bascombe's fiancé. |
| | Newmann | One of the trainees. |
| | Savino | The least skilled among the diving class. |
| | Fantano | One of the trainees. |
| | Morrissey | One of the trainees. |
16 | | Hammond | Nell's friend. |
| | | Part Five: The Voyage |
18 | Mr. | Farmingdale | A pariah. |
| | Kittredge | A captain. |
| Ingrid | | A young, widowed school teacher. |
| | Ochylski | An engineer. |
| Dane | | The first mate. |
| Roger | | A deck cadet. |
| Stanley | | An engine room cadet. |
| Sparks | | The radioman. |
| Pugh | | The ancient third cook. |
| Lily | | Sparks's sister. |
| Stephan | | One of Ingrid's sons. |
| Fritz | | One of Ingrid's sons. |
| Helen | | Ingrid's baby girl. |
| | | Part Six: The Dive |
20 | Booth | Kimbal | A polo champion. aka: Boo Boo. |
| Pippa | | Boo Boo's wife. |
| Mr. | Bonaventura | A cook. |
21 | | Grollier | Trained as a burner. |
22 | Lieutenant | Rosen | The armed guard commander. |
| | Wyckoff | Rosen's junior officer. |
23 | Mrs. | Adair | Eddie's acquaintance. |
| Joey | Ryan | The president of the International Longshoremen's Union. |
24 | Enzo | | One of Dexter's men. |
| Nestor | | The holmsman. |
| | | Part Seven: The Sea The Sea |
25 | Lucy | | Tabby's friend. |
| Carmen | Miranda | Dexter's acquaintance. |
| Felicity | | Boo Boo's daughter. |
| Jimmy | | Badger's man. |
| Harlan | | A fisherman. |
26 | Bogues | | A navy gunner. |
| Pelemonade | | A deck crew. |
27 | Hiram | | Rose's younger brother. |
| Andrew | Metuchen | One of the boys who found Dexter Styles's dead body. |
| Sandy | Kupeck | One of the boys who found Dexter Styles's dead body. |
| Sig | | An army. |
| Caleb | | An army. |
| Dr. | Soffit | An obstetrician. |
28 | | Ostergaard | A man who suffered sunstroke. |
| Hummel | | One of the men who gulped seawater. |
| Addison | | One of the men who gulped seawater. |
| Annabelle | | Roger's girl. |
| | | Part Eight: The Fog |
29 | Albert | | A waiter. |
| Francine | | Brianne's co-worker. |
| Mr. | Leontaker | Brianne's landlord. |
30 | Charlie | Smith | The name of Anna's husband. |
| Margaret | Truman | Daughter of Missouri's senator. |
31 | Leon 2 | | Anna's son. |