'My Policeman' sees Emma Corrin and Gina McKee star as 'Marion', Linus Roache and Harry Styles star as 'Tom' and David Dawson and Rupert Everett star as 'Patrick'.

Alicia has been chatting to Gina and David about playing the same role as their co-stars at different stages in life.

'My Policeman' in is cinemas now.

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