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Richard Crenna as Jason Voight |
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Elizabeth Ashley as Sharon Allan |
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David Dukes as David Allan |
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Joanna Miles as Jennifer Dreiser |
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Lloyd Bochner as Paul Gilliam |
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Merlin Olsen as Stan Webster |
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Andrew Duggan as The President |
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Maggie Wellman as Carol |
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Nicolas Coster as The Governor |
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Marj Dusay as Ellen Gilliam |
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John Larch as Johnson |
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Kip Niven as Mac |
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William Bogert as Wayne Lustus |
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Jenny O'Hara as Ann Webster |
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Michael Biehn as Tom Rearden |
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Diana Douglas as Mrs. Rearden |
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Cindy Eilbacher as Paula Gilliam |
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Bill Williams as Dale Turner |
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Al White as Sgt. Lockett |
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George Petrie as Hank |
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Elta Blake as Co-Ed |
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Roy Gaintner as Dr. Jesse |
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Pat McMahon as News Director |
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Cecelia Allen as Elizabeth Richie |
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Dino Bachelor as Danny |
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Henry Kendrick as Launch Director |
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Bill Heywood as TV Announcer |
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David Burke Rhind as Chief Controller |
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Brad Zinn as Hutton |
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Bud Conlan as General Kloman |
| Writing | Paul Gallico | Story |
| Writing | Michael Blankfort | Writer |
| Writing | Dennis Nemec | Writer |
| Directing | Jerry Jameson | Director |
| Camera | Matthew F. Leonetti | Director of Photography |
| Crew | Joseph A. Unsinn | Special Effects |
| Sound | Paul Chihara | Original Music Composer |
| Editing | J. Terry Williams | Editor |
| Art | Ross Bellah | Art Direction |
| Production | William Driskill | Executive Producer |
| Crew | Lee Redmond | Special Effects |
| Production | Hugh Benson | Producer |
| Art | Dale Hennesy | Art Direction |
| Art | Gregory Garrison | Set Decoration |
| Costume & Make-Up | Grady Hunt | Costume Design |
| Crew | Stan Barrett | Stunt Coordinator |
| Production | Sally Powers | Casting |
| Art | Dale Hennesy | Production Design |
| Sound | Erma E. Levin | Music Editor |
| Directing | Mary Ann Newfield | Script Supervisor |
