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Warren Brown as Captain Matthew Webb |
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Georgia Maguire as Agnes Beckwith |
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Steve Oram as Professor Beckwith |
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Terry Mynott as Captain Paul Boyton |
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Hannah Tointon as Madeline Chaddock |
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Tim Plester as News Editor |
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Tom Stourton as |
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Charlotte Gallagher as |
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Keira Malik as Meg |
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Charles Reston as Dr. Thomas Webb |
| Production | Will Wood | Publicist |
| Production | Muireann Price | Producer |
| Writing | Jemma Kennedy | Writer |
| Editing | Damian Knight | Editor |
| Editing | Adam Green | Editor |
| Production | Jack Fishburn | Producer |
| Sound | British Sea Power | Music |
| Camera | Matthew Wicks | Director of Photography |
| Directing | Justin Hardy | Director |
| Production | Paula Prynn | Executive Producer |
| Production | James Salter | Executive Producer |
| Production | John Toba | Executive Producer |
| Art | Jo Manser | Production Design |
| Art | Mari Lucaccini | Art Direction |
| Costume & Make-Up | Mimi Milburn-Foster | Costume Design |
| Costume & Make-Up | Cassi Brookes | Makeup & Hair |
| Costume & Make-Up | Frances Hounsom | Makeup Artist |
| Costume & Make-Up | Jenny Rhodes | Makeup Supervisor |
| Production | Sasha Robertson | Casting |
| Sound | Ben Baird | Sound Re-Recording Mixer |
| Sound | Ruth Sullivan | Foley Artist |
| Production | Lisa Mitchell | Associate Producer |
