 | John Saxon als Captain Anthony Vico |
 | Kathleen Miller als Dr. Allison Crowley |
 | Keene Curtis als Dr. William Scott |
 | James Olson als Surgeon |
 | Martine Beswick als Tana |
 | Reb Brown als Sprang |
 | Richard Farnsworth als Elder |
 | Gerrit Graham als Daniel |
| Robert Butler | Director |
| Walon Green | Executive Producer |
| Ranald Graham | Executive Producer |
| Richard Clements | Music |
| Bob Larson | Producer |
| Ric Rondell | Associate Producer |
| David Newhouse | Editor |
| Walon Green | Writer |
| Elliot Kaplan | Music |
| Hoyt Bowers | Casting |
| Jack Martin Smith | Art Direction |
| Michael D. Margulies | Director of Photography |
| Ranald Graham | Writer |
| Al Ramrus | Writer |
| Melvin Shapiro | Editor |
| Gene Roddenberry | Idea |
