| Name | Affiliation | Position |
|---|
| Captain Evan Roberts | USS Thunderfish | Ship's captain |
| A bit of a hard case, but highly skilled |
| Lt. Commander Steven Perkins | USS Thunderfish | First officer |
| Diplomatic and suave |
| Chief William "Billy" Banes | USS Thunderfish | Command Master Chief Petty Officer |
| Gritty old school NCO. |
| Petty Officer Arnold Zane | USS Thunderfish | Ship's liason with Epic |
| Polite and helpful, but overworked |
| Ty Fletcher | Flight Test | Pilot |
| Flamboyant and over the top |
| Ruben Eisenstein | Flight Test | Chief scientist |
| Wild-haired, wire rimmed glasses, science bore |
| Robert Bryce | Flight Test | Security advisor |
| Cold fish military. Wife Jean |
| Hank Williamson | Flight Test | Engineer |
| Solemn engineer |
| Franklin Takai | Flight Test | Scientist |
| Polite and softspoken Japanese. Wife June |
| Dave Borden | Flight Test | Boeing VP marketing |
| Loud marketing guy. Wife Sue |
| May Robinson | Flight Test | Dave Borden's assistant |
| Nice legs! |
| Wendle Haversham | Flight Test | Boeing VP engineering |
| Serious with a Boston accent. Wife Sarah |
| Terri Gordon | Flight Test | Wendle Haversham's assistant |
| Quiet and cute |
| Commander Hugh Fogg | Flight Test | British Navy observer |
| Formal manner, lots of decorations on that uniform |
| Major Pete Evans | Epic Mining | Leader |
| WWI veteran, a bit reluctant to be along. Wife Anne |
| Private Tom Smith | Epic Mining | Grunt |
| Red shirt |
| Private Dick Johnson | Epic Mining | Grunt |
| Red shirt |
| Private Harry Martin | Epic Mining | Grunt |
| Red shirt |
| Corporal Lance Bensen | Epic Mining | Cartographer |
| Black with a Georgia accent |
| Olga Swenson | Epic Mining | Chief Geologist |
| Attractive blond, focused on her job |
| Dave Anderson | Epic Mining | Geologist |
| Nervous type |
| Shift Lemons | Epic Mining | Expediter |
| Friendly and knows everyone. Girlfriend (?) Ellen |
| Joe Moore | Epic Mining | Guide / Dog handler |
| Blue collar guy, short, thin and wears a bright red coat. Fiance Jenni |
| Rob Davis | Epic Mining | Guide / Dog handler |
| Blue collar guy, medium height and chubby. Brother to Matt |
| William Bennett | Bennett Expedition | Leader |
| Solid and blond. Serious. |
| Tom Rivers | Bennett Expedition | Co-Leader |
| Tall and capable. Dark hair and hard eyes. |
| Elena Rivers | Bennett Expedition | Tom Rivers' wife |
| Blond and quiet. Attractive. |
| Dave Hill | Bennett Expedition | Associate of Bennett's |
| Business type. A bit snooty. |
| Nancy Hill | Bennett Expedition | Dave Hill's wife |
| Down to earth, seems like she'd rather not be going |
| Sam Clarke | Bennett Expedition | Base support / cook |
| Tall, scrawny and loud |
| Harry Williams | Bennett Expedition | Guide / dog handler |
| Soft spoken black with graying hair |
| Mitch Lee | Bennett Expedition | Base support |
| Slim and serious. Chinese with green eyes (half breed?) |
| Matt Davis | Bennett Expedition | Guide |
| Blue collar guy, medium height and chubby. Brother to Rob |
All material Copyright (C) Mark A. Thomas. All rights reserved.