| Melanie | Brown | A particle physicist who studied Bermuda Triangle. Dean's patient and lover. |
| Brendan | Davies | Olivia's cameraman. |
| Dr. | Fielding | Head of the Physics Department in Columbia. |
| Liz | Hamilton | Olivia's mother. |
| Olivia | Hamilton | Dean's wife. |
| Oscar | Hamilton | One of the richest businessmen. Olivia's father. |
| Detective | Johnson | The detective who interviewed Olivia. |
| Detective | Mason | Detective Smith's partner. |
| John | Matthews | Dean's psych mentor. |
| Mike | Mitchell | A singer and guitarist. Dean's passenger. |
| Ethan | Morrison | Gabriel and Olivia's 2nd son. |
| Gabriel | Morrison | Olivia's ex-boyfriend. |
| Joel | Morrison | Olivia and Gabriel's son. |
| Brice | Roberts | Mike's friend who studied about Bermuda Triangle. |
| Dean | Robinson | Olivia's husband. Melanie's therapist and lover. |
| Rose | Robinson | Dean and Olivia's daughter. |
| Detective | Russo | Detective Johnson's partner. |
| Detective | Smith | The detective who interviewed Dean. |
| Captain | Taylor | The pilot captain. |
| Richard | Walker | Dean's pilot boss. |
| Caroline | Weaver | Dean's psych boss. |
| Amanda | | Olivia's friend. |
| Amelia | | Rachel's daughter. |
| Angie | | Joel's girlfriend. |
| Barbara | | Sarah's mother. |
| Cassie | | Olivia's best friend. |
| James | | Liz's brother. |
| Jan | | James's wife. |
| Kevin | | Dean's colleague. |
| Leon | | Sarah's husband. |
| Lynn | | Dean's aunt. |
| Mary Beth | | Rose's friend. |
| Patricia | | Susie's mother. |
| Rachel | | Olivia's best friend. |
| Sarah | | Olivia's half-sister. |
| Serena | | The flight attendant. |
| Susie | | Rose's alleged sister. |
| Thomas | | Gabriel's band mates. |
| Todd | | One of Olivia's friends. |
| Ziggy | | Olivia's dog. |
