Jessica Biel as Larita Whittaker

Ben Barnes as John Whittaker

Kristin Scott Thomas as Mrs. Whittaker

Colin Firth as Mr. Whittaker

Kimberley Nixon as Hilda Whittaker

Katherine Parkinson as Marion Whittaker

Kris Marshall as Furber

Jim McManus as Jackson

Michael Archer as Warwick Holborough

Charlotte Riley as Sarah Hurst

Pip Torrens as Lord Hurst

Christian Brassington as Phillip Hurst

Jeremy Hooton as Davis

Joanna Bacon as Cook / Doris / Beatrice

Maggie Hickey as Millie the Maid

Georgie Glen as Mrs. Landrigin

David Longstaff as Reverend Burton

Mike Archer as Warwick Holborough