Nicholas Ralph James Herriot Actor Samuel West Siegfried Farnon Actor Anna Madeley Mrs Hall Actor Callum Woodhouse Tristan Farnon Actor Rachel Shenton Helen Alderson Actor Matthew Lewis Hugh Hulton Actor Tony Pitts Richard Alderson Actor Mollie Winnard Maggie Actor Patricia Hodge Actor Drew Cain James Herriot Senior Actor Gabriel Quigley Hannah Herriot Actor Nigel Betts Dennis Handshaw Actor Mark Noble Henry Dinsdale Actor Derek Tricki Woo Actor Kriss Dosanjh George Pandhi Actor Naomi Radcliffe Mrs Dinsdale Actor Dave Hill Bert Chapman Actor Cleo Sylvestre Anne Chapman Actor Imogen Clawson Jenny Alderson Actor Jon Furlong Mr Dobson Actor Chloë Mi Lin Ewart Writer Ben Vanstone Writer, Executive Producer Sasha Ransome Director Andy Hay Director James Dean Producer Ashley Barron Cinematographer Melissa Gallant Executive Producer Colin Callender Executive Producer Rebecca Eaton Executive Producer Susanne Simpson Executive Producer Louise Pedersen Executive Producer Caroline Cooper Charles Executive Producer Adam Trotman Film Editor Alexandra Harwood Original Music