Samuel 'Sam' Franklin
portrayed by Vinnie Hacker 

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Maeve Wiley
portrayed by Emma Mackey

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Otis Milburn
portrayed by Asa Butterfield

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Eric Effiong
portrayed by Ncuti Gatwa

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Aimee Gibbs
portrayed by Aimee Lou Woods

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Ruby Matthews
portrayed by Mimi Keene

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Jean Milburn
portrayed by Gillian Anderson

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& the rest of the cast