| 角色 | 饰演者 | 角色介绍 |
| Dr. Terry McCormick | Jaleel White | |
| Nigel Putnam | 加里·斯加奇 | |
| Agent Hutchinson | Sarah Lieving | |
| Jean | Gerald Webb | |
| CWO Butowski | Brad Benton | |
| Legatt | Hannah Cowley | |
| Investigator | Steve Mason | |
| Charlie Ross | Robert R. Shafer | |
| Captain Smalls | Michael Gaglio | |
| Sonar Tech | Sky Adams | |
| Marty | Gerald Bales | |
| Blue Bikini Babe | Harmony Blossom | |
| Navy Researcher | Tiffany Cole | |
| Commander Vail | Darin Cooper | |
| Moise (as Sean Cory) | Sean Cory | |
| Communications Officer | Mark DeLisle | |
| Sonar Tech | Erica Duke | |
| Officer Morgan | Sally Elphick | |
| Omaha Captain | Jessica Irvine | |
| Drunk in Bar | Michael London | |
| USS Argonaunt Communications Officer | Kaiwi Lyman | |
| Pilot | Jayson Matthews | |
| Sonar Tech (as Michael McLaughlin) | Mike McLaughlin | |
| News Reporter | Yoshie Morino | |
| Sonar Tech | Brandon Slagle | |
| Navy Cadet | Gregory P. Smith | |
| Sub Commander | Peter Trenholm Smith |
