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 Drew Cain James Herriot Senior Actor Gabriel Quigley Hannah Herriot Actor Nigel Betts Dennis Handshaw Actor Mark Noble Henry Dinsdale 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 Ben Vanstone Executive Producer, Writer Nessah Muthy Writer Brian Percival Director, Executive Producer Sebastian Cardwell Executive Producer Paul Testar Executive Producer Greg Barnett Executive Producer Susanne Simpson Executive Producer Rebecca Eaton Executive Producer Louise Pedersen Executive Producer David Swetman Executive Producer Yvonne Francas Producer