| Patrick Stewart | Capt. Jean-Luc Picard |
| Jonathan Frakes | Cmdr. William Riker |
| LeVar Burton | Lt. Cmdr. Geordi La Forge |
| Michael Dorn | Lt. Worf |
| Gates McFadden | Dr. Beverly Crusher |
| Marina Sirtis | Counselor Deanna Troi |
| Brent Spiner | Lt. Cmdr. Data |
| Lawrence Dobkin | Ambassador Kell
(as Larry Dobkin) |
| John Fleck | Taibak |
| Colm Meaney | Chief Miles O'Brien |
| Edward Wiley | Governor Vagh |
| Majel Barrett | Enterprise Computer
(voice) |
| Rachen Assapiomonwait | Crewman Nelson
(uncredited) |
| Chuck Borden | Klingon Guard
(uncredited) |
| Cameron | Ensign Kellogg
(uncredited) |
| Tracee Cocco | Ensign Jae
(uncredited) |
| Denise Crosby | Sela
(voice) (uncredited) |
| Debbie David | Ensign Russell
(uncredited) |
| BJ Davis | Klingon Guard
(uncredited) |
| Elliot Durant III | Starfleet Ensign
(uncredited) |
| Keith Gearhart | Science Division Officer
(uncredited) |
| Grace Harrell | Waitress
(uncredited) |
| Gary Hunter | Romulan Officer
(uncredited) |
| Randy James | Jones
(uncredited) |
| Mark-Takeo Kosakura | Operations Division Officer
(uncredited) |
| Mark Lentry | Science Division Officer
(uncredited) |
| Lorine Mendell | Crewman Diana Giddings
(uncredited) |
| Shannon Ratigan | Romulan Guard
(uncredited) |
| Keith Rayve | Command Division Ensign
(uncredited) |
| Denise Lynne Roberts | Patti
(uncredited) |
| Bill E. Rogers | Operations Division Officer
(uncredited) |
| Richard Sarstedt | Command Division Officer
(uncredited) |
| Dee Giffin Scott | Sela
(uncredited) |
| Georgina Shore | Lt. Van Meyter
(uncredited) |
| Guy Vardaman | Darien Wallace
(uncredited) |
| Natalie Wood | Bailey
(uncredited) |