 | Kent McCord als Troy |
 | Barry Van Dyke als Dillon |
 | Robyn Douglass als Jamie Hamilton |
 | Lorne Greene als Adama |
 | James Patrick Stuart als Dr. Zee |
 | Richard Lynch als Commander Xavier |
 | Robbie Rist als Dr. Zen |
 | John Colicos als Count Baltar |
 | Robert Reed als Dr. Donald Mortinson |
 | William Daniels als Norman |
 | Lara Parker als Shirley |
 | Pamela Susan Shoop als Dorothy Carlyle |
 | Sharon Acker |
 | Fred Holliday |
 | Peter Mark Richman als Colonel Briggs |
 | Roger Davis als Andromus |
 | Wolfman Jack als Himself |
 | Richard Eastham als General Cushing |
| David Moses als Second Cop |
 | Brion James als Willy |
 | René Le Vant als First Officer |
| Ed Griffith als Second Officer |
| Lindsay Kennedy als Super Scout |
| Glen A. Larson | Writer |
| Sidney Hayers | Director |
| Sigmund Neufeld Jr. | Director |
| Frank Lupo | Producer |
| James F. Rogers | Sound |
| Bill Parker | Editor |
| Fred Tuch | Art Direction |
| Glen A. Larson | Executive Producer |
| John J. Dumas | Editor |
| Dick Wahrman | Sound Effects Editor |
| Bob Bralver | Second Unit Director |
| Al Lehman | Costume Design |
| David Howe | Editor |
| Frank Beascoechea | Director of Photography |
| Mario DiLeo | Director of Photography |
| Jeff Freilich | Producer |
| Jennifer Polito | Set Decoration |
| Stu Phillips | Original Music Composer |
| Bill Taliaferro | Art Direction |
| Michael Berman | Editor |
| Mark Malis | Casting |
| Sherman Loudermilk | Art Direction |
| Morris Hoffman | Set Decoration |
| Earl Crain Jr. | Sound |
| Phil Benjamin | Casting |
| Gary Winter | Producer |
| Ben Colman | Director of Photography |
| Charlie Picerni | Stunts |
| Bob Bralver | Stunt Coordinator |
| Leslie McCarthy-Frankenheimer | Set Decoration |
| Samuel Reynolds | Sound Effects Editor |
| Jean-Pierre Dorléac | Costume Design |
| Barry Crane | Director |
