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John P. Ryan as Frank Davis |
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Sharon Farrell as Lenore Davis |
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Andrew Duggan as The Professor |
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Guy Stockwell as Bob Clayton |
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James Dixon as Lt. Perkins |
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Michael Ansara as The Captain |
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Robert Emhardt as The Executive |
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William Wellman Jr. as Charley |
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Shamus Locke as The Doctor |
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Nancy Burnett as Nurse |
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Daniel Holzman as Chris |
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Diana Hale as Secretary |
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Patrick McAllister as Expectant Father |
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W. Allen York as Expectant Father |
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Gwil Richards as Expectant Father |
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Jerry Taft as Expectant Father |
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Gerald York as Expectant Father |
| Writing | Larry Cohen | Writer |
| Production | Larry Cohen | Producer |
| Directing | Larry Cohen | Director |
| Sound | Bernard Herrmann | Original Music Composer |
| Editing | Peter Honess | Editor |
| Camera | Fenton Hamilton | Director of Photography |
| Art | Pat Somerset | Production Design |
| Production | Bob Cohen | Production Assistant |
| Production | Peter Sabiston | Executive Producer |
| Costume & Make-Up | Rick Baker | Special Effects Makeup Artist |
| Art | Bob Biggart | Production Design |
| Crew | Bob Biggart | Special Effects |
| Camera | Robert Isenberg | Assistant Camera |
| Camera | Gary Leonard | Still Photographer |
| Camera | Jeffrey L. Kimball | Second Unit Director of Photography |
| Costume & Make-Up | Rick Baker | Makeup Artist |
| Sound | Pat Somerset | Sound Effects |
| Production | Steve Salkin | Production Consultant |
| Sound | Bob Biggart | Sound Effects |
| Sound | Bernard Herrmann | Orchestrator |
| Production | Janelle Webb | Co-Producer |
| Lighting | Bill Williams | Gaffer |
| Sound | Bernard Herrmann | Conductor |
| Crew | Pat Somerset | Special Effects |
| Production | Reid Freeman | Production Assistant |
| Writing | John Dorr | Script Consultant |
