 | Richard Thomas als Shad |
 | Robert Vaughn als Gelt |
 | John Saxon als Sador |
 | George Peppard als Cowboy |
 | Darlanne Fluegel als Nanelia |
 | Sybil Danning als St. Exmin |
 | Sam Jaffe als Dr. Hephaestus |
 | Jeff Corey als Zed |
 | Morgan Woodward als Cayman |
 | Marta Kristen als Lux |
 | Julia Duffy als Mol |
 | Earl Boen als Nestor 1 |
 | John Gowans als Nestor 2 |
 | Lynn Carlin als Nell |
 | Lara Cody als Kelvin |
 | Kathy Griffin als Alien Extra |
 | Lawrence Steven Meyers als Kelvin |
 | Eric Morris als Fen |
| Jimmy T. Murakami | Director |
| James Horner | Original Music Composer |
| James Cameron | Art Direction |
| Roger Corman | Executive Producer |
| Ed Carlin | Producer |
| Mary Ann Fisher | Associate Producer |
| Daniel Lacambre | Director of Photography |
| Allan Holzman | Editor |
| R.J. Kizer | Editor |
| John Sayles | Story |
| Anne Dyer | Story |
| Lisa Mionie | Casting |
| James Cameron | Visual Effects |
| Charles William Breen | Art Direction |
| Paul Hodara | Still Photographer |
| Sharon Kirkpatrick | Script Supervisor |
| John Zabrucky | Set Decoration |
| Durinda Wood | Costume Design |
| Ron Judkins | Sound Mixer |
| John Sayles | Screenplay |
| Tony Randel | Visual Effects Editor |
| Karen Kubeck | Assistant Makeup Artist |
| Forrest Chadwick | Set Decoration |
| Sue Dolph | Makeup Artist |
| Karoly Balazs | Hairstylist |
| Steve Neill | Prosthetic Makeup Artist |
| Rick Stratton | Prosthetic Makeup Artist |
| Gale Anne Hurd | Assistant Production Manager |
| Michael Bennett | Production Manager |
| Aaron Lipstadt | Assistant Production Manager |
| James Sbardellati | First Assistant Director |
| Don Keith Opper | Second Assistant Director |
| Francesca Bartoccini | Property Master |
| Sharon Compton | Art Department Coordinator |
| Gary C. Bourgeois | Sound Re-Recording Mixer |
| Alan Howarth | Special Sound Effects |
| Steve Rice | Dialogue Editor |
| David Lewis Yewdall | Supervising Sound Editor |
| Frank DeMarco | Pyrotechnician |
| Timaree McCormick | Assistant Costume Designer |
| Debra Chiate | Assistant Editor |
| John K. Adams | Assistant Editor |
| Betsy Magruder | Production Coordinator |
