Jonny Campbell Director Michael Gambon Howard Mollison Actor Keeley Hawes Samantha Mollison Actor Rory Kinnear Barry Fairbrother Actor Julia McKenzie Shirley Mollison Actor Joe Hurst Arf Price Actor Sonny Ashbourne Serkis Paul Price Actor Richard Glover Simon Price Actor Silas Carson Vikram Jawanda Actor Emily Bevan Mary Fairbrother Actor Rufus Jones Miles Mollison Actor Alex Lowe Copper Actor Keeley Forsyth Terri Weedon Actor Abigail Lawrie Krystal Weedon Actor Sam Redford Obbo Actor Ria Choony Sukhvinder Jarwanda Actor Monica Dolan Tess Wall Actor Lolita Chakrabarti Parminder Jawanda Actor Menna Trussler Betty Actor Vass Anderson Bill Actor Julian Wadham Aubrey Sweetlove Actor Emilia Fox Julia Sweetlove Actor Marie Critchley Ruth Price Actor Sope Dirisu Young Doctor Actor Michele Austin Kaye Bawden Actor Simona Brown Gaia Bawden Actor Brian Vernel Fats Wall Actor Simon McBurney Colin Wall Actor Jacob Krichefski Mr Meacher Actor Hetty Baynes Mo Actor Bryce Sanders Robbie Weedon Actor Elizabeth Rider Maggie Actor Sarah Phelps Writer J.K. Rowling Writer Ruth Kenley-Letts Producer