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Carol Drinkwater as Mary Gore |
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James Hazeldine as David Gore |
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Andrew Ellams as Matthew Gore |
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Zoë Hart as Polly Gore |
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Devin Stanfield as Colin |
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Glynis Brooks as Chocky |
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James Greene as Mr. Trimble |
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Penny Brownjohn as Phyl |
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Colin McCormack as Alan |
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Kelita Groom as Jane |
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Jonathan Jackson as Mark |
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P.J. Bickford as Roger |
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Catherine Elcombe as Susan |
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Jeremy Bulloch as Landis |
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John Grillo as Sir William Thorbe |
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John Pennington as Inspector Maggs |
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Lynne Pearson as Miss Blayde |
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Derek Broome as Police Constable |
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Martyn Lewis as Newsreader |
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Patrick Blackwell as Boatman |
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Kathleen Cotty as Emma |
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Leo Dolan as Postman |
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Gary Raynsford as Policeman |
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Deborah Fairfax as Girl Reporter |
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Janet Henfrey as Cranky Woman |
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Brian Redhead as Interviewer |
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Gary Watson as Radio Reporter |
| Crew | Anthony Read | Dramaturgy |
| Production | Vic Hughes | Producer |
| Sound | John Ramsden | Sound |
| Sound | Stan Clarke | Sound |
| Camera | Adrian J. Fearnley | Camera Operator |
| Editing | Roger Holmes | Editor |
| Costume & Make-Up | June Cannon | Costume Design |
| Production | Bill Marley | Controller |
| Crew | John Wyndham | Creator |
| Sound | John Hyde | Music |
| Editing | Oscar Webb | Editor |
| Production | Allan James | Controller |
| Writing | John Wyndham | Novel |
| Production | Richard Waiting | Controller |
| Production | Bob Mason | Controller |
| Crew | Keith Reed | Lighting Camera |
| Costume & Make-Up | Pearl Rashbass | Makeup Artist |
| Production | Pat O'Connell | Casting |
| Art | John Stamp | Graphic Designer |
| Editing | Thomas Kavanagh | Editor |
| Production | Michele Buck | Production Assistant |
| Sound | Brian Moray | Sound |
| Production | Derek Cotty | Location Manager |
| Production | Helen Stephens | Production Assistant |
| Production | Pamela Lonsdale | Executive Producer |
| Art | David Richens | Production Design |
| Sound | Ron Thomas | Sound |
| Camera | Albert Almond | Camera Operator |
| Writing | Richard Bates | Script Consultant |
| Directing | Vic Hughes | Director |
| Directing | Christopher Hodson | Director |
