Simon Aboud Director, Screenwriter Jessica Brown Findlay Bella Brown Actor Tom Wilkinson Alfie Stephenson Actor Andrew Scott Vernon Actor Jeremy Irvine Billy Actor Anna Chancellor Bramble Actor Eileen Davies Milly Actor Paul Blackwell Library Person Actor Charlotte Asprey Publisher Actor Mia Farkasovska Young Bella Brown Actor Christine Alderson Producer Monika Bacardi Producer Andrea Iervolino Producer Kami Naghdi Producer Peter Hampden Executive Producer Phil Hunt Executive Producer Compton Ross Executive Producer Mike Eley Cinematographer David Charap Film Editing Anne Nikitin Original Music Alex Walker Production Design Laura Phillips Art Director Ian Fulcher Costume Design