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Joanna Horton as Professor Helen Downing |
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Stephen Mangan as Mathew |
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David Tennant as Timothy |
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Georgia Tennant as Prime Minister |
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Olive Tennant as |
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Doris Tennant as |
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Sarah Reynolds as Mathew's wife |
| Production | Jennie Fava | Producer |
| Editing | Geraint Huw Reynolds | Editor |
| Sound | Oliver Brierley | Sound Mixer |
| Sound | Philip Moroz | Sound Editor |
| Visual Effects | Declan Boyle | Visual Effects |
| Camera | Luke Norris | Camera Operator |
| Writing | Christian Brassington | Writer |
| Directing | Christian Brassington | Director |
| Sound | Olive Tennant | Songs |
