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Patty Duke as Liz Benedict |
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William Shatner as Dr. Jeff Benedict |
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Quinn Cummings as Tara Benedict |
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Stephanie Zimbalist as Joanna Redwine |
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David Wallace as Scotty |
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Kenneth Tigar as Tom Montgomery |
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Virginia Kiser as Mrs. Welford |
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John Houseman as Dr. Lindquist |
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Hildy Brooks as Barbara |
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Frank Birney as Mr. Farragut |
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Ty Haller as Minister |
| Directing | Peter Medak | Director |
| Production | Frank von Zerneck | Executive Producer |
| Camera | Rexford L. Metz | Director of Photography |
| Art | Douglas Higgins | Art Direction |
| Writing | Jennifer Miller | Writer |
| Editing | Melvin Shapiro | Editor |
| Production | David Garcia Jr. | Producer |
| Lighting | Len Wolfe | Best Boy Electric |
| Costume & Make-Up | Shari Feldman | Wardrobe Designer |
| Directing | Hugh Spencer-Phillips | Second Assistant Director |
| Sound | John Mick | Music Editor |
| Art | Kimberley Richardson | Set Decoration |
| Art | James H. Chow | Property Master |
| Camera | James R. Connell | Camera Operator |
| Sound | Larry Sutton | Sound Mixer |
| Crew | Betty Thomas Quee | Stunt Double |
| Lighting | John S. Bartley | Gaffer |
| Camera | Chris Helcermanas-Benge | Still Photographer |
| Crew | Louie Elias | Stunt Coordinator |
| Editing | Bobbie Shapiro | Assistant Editor |
| Sound | Terri Fricon | Music Supervisor |
| Directing | John M. Poer | First Assistant Director |
| Sound | Rich Harrison | Sound Effects |
| Editing | Susanne Gervay | Negative Cutter |
| Costume & Make-Up | Salli Bailey | Hairstylist |
| Directing | Mia Laschuk | Third Assistant Director |
| Crew | Marian Green | Stunt Double |
| Production | Stanley Neufeld | Production Manager |
| Production | Richard M. Rosenbloom | Executive In Charge Of Production |
| Directing | Pattie Robertson | Script Supervisor |
| Costume & Make-Up | Les Berns | Makeup Artist |
| Art | Douglas Higgins | Production Design |
| Production | Nancy Rosing | Production Coordinator |
