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Kathleen Quinlan as Nancy McAllister / Marie Adamson |
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Stephen Collins as Michael Hillyard |
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Beatrice Straight as Marion Hillyard |
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Laurence Luckinbill as Dr. Peter Gregson |
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William Prince as George Calloway |
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Michael O'Hare as Ben Avery |
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Bibi Besch as Dr. Faye Allison |
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Jerry Walter as Cal |
| Sound | David Shire | Original Music Composer |
| Writing | Garry Michael White | Screenplay |
| Directing | Gilbert Cates | Director |
| Production | Paul M. Heller | Producer |
| Art | William Sandell | Production Design |
| Directing | Marie Kenney | Script Supervisor |
| Editing | Peter E. Berger | Editor |
| Production | Isabel Halliburton | Casting |
| Art | Jeff Haley | Set Decoration |
| Camera | Ralph Woolsey | Director of Photography |
| Costume & Make-Up | Lynette Bernay | Costume Design |
| Crew | Greg Auer | Special Effects |
| Production | Fred Weintraub | Producer |
| Production | Mary Goldberg | Casting |
