| 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 |
| Barbara Tarbuck | Governor Leka Trion |
| Nicole Orth-Pallavicini | Kareel Odan |
| William Newman | Kalin Trose |
| Patti Yasutake | Nurse Alyssa Ogawa |
| Franc Luz | Odan |
| Joyce Agu | Ensign Gates
(uncredited) |
| Rachen Assapiomonwait | Crewman Nelson
(uncredited) |
| Majel Barrett | Enterprise Computer
(voice) (uncredited) |
| Michael Braveheart | Crewman Martinez
(uncredited) |
| Tracee Cocco | Ensign Jae
(uncredited) |
| Gerard David Jr. | Operations Division Officer
(uncredited) |
| Elliot Durant III | Starfleet Ensign
(uncredited) |
| Buddy Daniels Friedman | Bolian Barber
(uncredited) |
| Keith Gearhart | Science Division Officer
(uncredited) |
| Vanessa Grayson | Beauty Attendant
(uncredited) |
| Robert Harper | Lathal Bine
(uncredited) |
| Grace Harrell | Operations Division Officer
(uncredited) |
| Randy James | Jones
(uncredited) |
| Mark-Takeo Kosakura | Operations Division Officer
(uncredited) |
| Mark Lentry | Science Division Officer
(uncredited) |
| Denise Lynne Roberts | Patti
(uncredited) |
| Natalie Wood | Bailey
(uncredited) |