| 1 | Marion D. | Ford, Ph.D. | A marine biologist. |
| | Lydia | Johnson | Has affair with former professor, Leon. Introvert. aka: Lidee. |
| | Dr. Leonard | Nickelby | Head Florida Division Historical Resources. aka: Prof. Leon. |
| | Jimmy | Jones | The hotshot treasure hunter. Professional con-man and thief. |
| 2 | Tamarinda | Constance | Owner of the Village. aka: Tamara, Tamarinda Gatrell. |
| | Carl | Fitzpatrick | A professional treasure hunter. |
| 3 | Tomlinson | | Ford's friend. A writer. aka: Zonk, Hermano. |
| | Hannah | Smith | Ford's former lover. |
| | Becca | | Leon's wife. |
| 4 | Oxley | | Tamarinda's uncle. |
| | Hubert | Purcell | The person Tamarinda saved. A captain. aka: Sandman. |
| 5 | Tiger | Lilly | Carl's friend. |
| | Tucker | Gatrell | Leon's uncle. Ford's cousin. |
| 7 | | | Diamond Cutter - Ocean-going research vessel of Benthic Exploration. |
| 8 | Jamie | Middlebrook | Works at the Federal Agency. A treasury department agent. |
| 10 | Efren | Donner | A Benthic Exploration investor and Hollywood film producer. |
| 13 | Josiah | Bodden | Tomlinson's
Masonic brother. A reverend. |
| 14 | Kalik | | A woman Lydia and Leon met. |
| 16 | Phillipé | | Efren's security. Ex-Special Forces. aka: Phil. |
| 18 | Carrie | | The wannabe actress. |
| 20 | Tito | | Efren's security. |
| 21 | Celeste | | A Cat Island Dive Master. |
| | J. Marley | Bodden | Captain of the Cailleach. A freemason. |
