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Robert Culp as Steve Brannigan |
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Martin Milner as Paul Burke |
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Barbara Hershey as Mary Cutler |
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Richard Basehart as John Cutler |
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Carol Lynley as Abbie Adams |
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Roddy McDowall as Mr. Franklin |
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Cameron Mitchell as Sam Adams |
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Eric Olson as Andy Cutler |
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Teresa Wright as Alice Cutler |
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Francine York as Daisy Kempel |
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Whit Bissell as Dr. Ted Horne |
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Leif Garrett as Johnny Lowman |
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Ann Doran as Emma Fisher |
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Elizabeth Rogers as Nancy Lowman |
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James Griffith as Charlie Davis |
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Edna Helton as Mrs. Wilson |
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Gloria Stuart as Mrs. Parker |
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Jack Collins as Jack Spangler |
| Directing | Earl Bellamy | Director |
| Writing | Don Ingalls | Writer |
| Production | Jack Baur | Casting |
| Art | Stuart A. Reiss | Set Decoration |
| Sound | Eugene Marks | Music Editor |
| Production | Tony Habeeb | Publicist |
| Production | Herman Rush | Production Consultant |
| Sound | Herman Lewis | Sound Mixer |
| Production | Art Volpert | Producer's Assistant |
| Crew | George E. Swink | Post Production Supervisor |
| Lighting | Lon Massey III | Gaffer |
| Crew | L.B. Abbott | Special Effects |
| Camera | Randall Robinson | First Assistant Camera |
| Camera | Lamar Boren | Director of Photography |
| Editing | Bill Brame | Editor |
| Art | Stan Jolley | Production Design |
| Crew | Philip Krysl | Driver |
| Production | Arthur Weiss | Production Executive |
| Production | Donald C. Klune | Unit Production Manager |
| Production | Al Gail | Associate Producer |
| Directing | Daniel McCauley | Assistant Director |
| Crew | Jake Hart | Stunts |
| Sound | Richard LaSalle | Original Music Composer |
| Costume & Make-Up | Paul Zastupnevich | Costume Design |
| Sound | Don Hall | Sound Editor |
| Production | Irwin Allen | Producer |