John Simm John Middleton Actor Maxine Peake Grace Middleton Actor Rupert Evans Edmund Allingham Actor Juliet Stevenson Clem Allingham Actor David Ryall Old Bert Middleton Actor Bill Jones Young Bert Middleton Actor Charlie Murphy Martha Lane Actor Nico Mirallegro Joe Middleton Actor John Griffin Executive Producer George Faber Executive Producer Charles Pattinson Executive Producer Peter Moffat Writer Polly Hill Executive Producer Maurice Cain Production Design