| Patrick Stewart | Capt. Jean-Luc Picard |
| Jonathan Frakes | Cmdr. William Riker |
| LeVar Burton | Lt. Geordi La Forge |
| Denise Crosby | Lt. Tasha Yar |
| Michael Dorn | Lt. Worf |
| Gates McFadden | Dr. Beverly Crusher |
| Marina Sirtis | Counselor Deanna Troi
(credit only) |
| Brent Spiner | Lt. Cmdr. Data |
| Wil Wheaton | Wesley Crusher |
| John de Lancie | Q |
| Elaine Nalee | Female Survivor |
| William Wallace | 25 Year-old Wesley Crusher
(as William A. Wallace) |
| James G. Becker | Youngblood
(uncredited) |
| Dexter Clay | Operations Division Officer
(uncredited) |
| Daryl F. Mallett | Crewmember
(uncredited) |
| Tim McCormack | Ensign Bennett
(uncredited) |
| Lorine Mendell | Crewman Diana Giddings
(uncredited) |
| Faith Minton | Klingon Female
(uncredited) |