| 1 | Walt | Whitman | A poet. |
| | Topsy | | An elephant. |
| | Edison | | An inventor. |
| | Westinghouse | | Edison's rival. |
| | Maureen | Higgins | The Sardie's housekeeper. |
| | Professor | Sardie | The owner of The Museum of Extraordinary Things. Coralie's father. |
| | Coralie | Sardie | Protagonist. |
| | King Of The | Ducks | Professor Sardie's colleague. |
| | Barnum | | A circus owner. |
| | Marie | De Montague | Coralie's workmate. |
| | Sigmund | Freud | A famous scientist. |
| | Mitts | | Eddie's pit bull. |
| 2 | Ezekiel | Cohen | A photographer. One of the protagonists. Aka: Ed, Eddie. |
| | Joseph | Cohen | Eddie's father. Aka: Yoysef. |
| | Isaac | Rosenfeld | The boy that Ezekiel befriended. |
| | Big | Pin | The corrupt arm of the democratic party. |
| | Hochman | | The owner of The Hall Of Love. Eddie's boss. |
| | Moses | Levy | The famous photographer. Eddie's mentor. |
| | Solomon | | Hochman's photographer. |
| | Clement | Moore | An author. |
| | Alfred | Stieglitz | A photographer. |
| | Jacob | Van Der Beck | The Hermit. |
| | Juliet | Block | Harry's sister. |
| | Abraham | Lincoln | The U.S. President. |
| | Edward | Crocker | The Chief of Manhattan Fire. |
| | Matt | Harris | A Times Reporter. |
| | Samuel | Weiss | Hannah's father. |
| | Ella | Weiss | Hannah's twin. |
| | Hannah | Weiss | The girl Eddie was looking for. Missing. |
| | Rose | | Hannah's friend. |
| | Joe | | The liveryman. Aka: Johnson. |
| | Spot | | A horse. |
| | Sally | | A horse. |
| | Little | Girl | A horse. |
| | Jackson | | A horse. |
| 3 | Malia | | A girl at the museum whose arms resembled a butterfly's wings. |
| | Raymond | Morris | The wolfman. Maureen's lover. |
| | Horace | | Professor Sardie's new employee. Aka: The Jungle Boy. |
| | Maria | Louisa | Coralie's mother. |
| | Waldo | | The commissioner. |
| | Jack | Bonavita | The great animal trainer. |
| | Joseph | Ferrari | A colonel. An animal lover. |
| | Little | Hip | An elephant who was so attached to his trainer. |
| | Ursa | | The bear girl. |
| | Rob | Roy | The albino. |
| | Schrief | | The human salamander. |
| 4 | Harold | Kelly | The watchmaker. |
| | Harry | Block | The owner of the watch Eddie stole. |
| | Agnes | | Harry's maid. |
| | Sarah | | Harry's maid. |
| | Marcus | | The liveryman. One of Harry's employees. |
| | Barker | | Harry's doorman. |
| | Jack | Hailey | Eddie's acquaintance. |
| | Gaynor | | A mayor. |
| | John | Dix | The governor. |
| | Franklin Delano | Roosevelt | A New York legislator. |
| | Taft | | The current U.S. President. |
| | Tiffany | | Hochman's ashtray. |
| 5 | Black | Prince | Bonavita's black-manned lion. |
| | Queen | Of Fatland | One of the stars at Dreamland sideshow. Aka: Josephine. |
| | Baltimore | | One of Bonavita's lions. |
| | Captain | Andre | The Little Hip trainer. |
| 6 | Anna | Cohen | Eddie's mother. |
| | Miss | Weber | A hat shop owner. |
| | R | | A survivor. Hannah's closest friend. |
| | Gianni | | The man who ate fire. Missing. |
| | Jeremiah | | A sword swallower. |
| | William | Reeves | Professor Sardie's new employee. |
| 8 | Edward | Osterman | The liveryman. Eddie's new friend. Aka: Eastman. |
| | Aaron | Samuels | Hannah's lover. |
| | Frank | Herbert | Harry's employee. |
| 9 | Helen | | Helena's conjoined twin. One of Professor Sardie's stars. |
| | Helena | | Helen conjoined twin. One of Professor Sardie's stars. |
| | Darling | | Coralie's acquaintance. |
| 10 | Edward | Clark-Potter | A lion sculptor. |
| | Leo | Astor | The lion Potter sculpted. |
| | Leo | Lenox | The lion Potter sculpted. |
| | John Jacob | Astor | The library's founder. |
| | James | Lenox | The library's founder. |
| | Jasper | | The Block's dog. |
| | Antoinette | | The Block's dog. |
| | North | | A wolf dog. |
| | Matilda | | Coralie's sheep. |
| | Mary | | Coralie's sheep. |
