- Unknown:
- Elizabeth Jane Howard
- Dramatised By:
- Douglas Livingstone
- Producer:
- Verity Lambert
- Producer:
- Joanna Lumley
- Director:
- Suri Krishnamma
- Unknown:
- Paul Rhys
- Hugh Cazalet:
- Hugh Bonneville
- Diana:
- Anna Chancellor
- Edward Cazelet:
- Stephen Dillane
- Sid:
- Penny Downie
- Sybil Cazalet:
- Anastasia Hille
- The Duchy:
- Ursula Howells
- Villy Cazalet:
- Lesley Manville
- Tonbridge:
- John McArdle
- Zoe Cazalet:
- Joanna Page
- Rupert Cazalet:
- Paul Rhys
- Miss Millament:
- Patsy Rowlands
- Rachel Cazalet:
- Catherine Russell
- William Cazalet:
- Frederick Treves
- Mrs Cripps:
- Jacqueline Tong
- Clary Cazalet:
- Florence Hoath
- Louise Cazalet:
- Emma Griffiths Malin
- Polly Cazalet:
- Claudia Renton
- Teddy Cazalet:
- Ben Simpson
- Neville Cazalet:
- Alex Pownall
- Phyllis:
- Rosie Ede
- Dottie:
- Tammy Mendelson
- Lydia Cazalet:
- Francesca Wicks
- Dr Sherlock:
- Tom Mannion
