Hauptcharaktere und Darsteller
| Captain Jean-Luc Picard | Patrick Stewart |
|
| Commander William Thomas Riker | Jonathan Frakes |  |
| Lieutenant Commander Data | Brent Spiner |  |
| Lieutenant Commander Geordi La Forge | LeVar Burton |  |
| Lieutenant Worf | Michael Dorn |  |
| Doktor Beverly Crusher (Staffel 1, 3–7) | Gates McFadden |  |
| Counselor Deanna Troi | Marina Sirtis |  |
| Fähnrich Wesley Robert Crusher(Staffel 1–4) | Wil Wheaton |  |
| Lieutenant Natasha Yar (Staffel 1) | Denise Crosby |  |
| Doktor Katherine Pulaski (Staffel 2) | Diana Muldaur |  |
| Reginald Barclay | Dwight Schultz |  |
