| Name | Character | Episodes |
|---|---|---|
| Cec Verrell | Lt Ruth 'Bee-Bee' Ruthkowski | 9 |
| Richard Jaeckel | Master Chief Sam Rivers | 9 |
| Michael Sharrett | 9 | |
| Dale Dye | 9 | |
| Tasia Valenza | 9 | |
| Ken Olandt | Lt Jack 'Sierra' DePalma | 9 |
| Gerardo Mejía | Luis Cruz | 9 |
| Robert Hooks | Commander Jim Coleman | 9 |
| Marie Windsor | 3 | |
| Denise Nicholas | 2 | |
| William Smith | 1 | |
| Wendie Malick | 1 | |
| Alex Hyde-White | 1 | |
| Eddie Velez | 1 | |
| Lyman Ward | 1 | |
| Paul Gleason | 1 | |
| Mako | 1 | |
| Robert Ito | 1 | |
| George Dickerson | 1 | |
| Peter Mark Richman | 1 | |
| Harley Jane Kozak | 1 | |
| Gina Gallego | 1 | |
| Jennifer Darling | 1 |