Samuel West Siegfried Farnon Actor Anna Madeley Mrs Audrey Hall Actor Nicholas Ralph James Herriot Actor Rachel Shenton Helen Herriot Actor Callum Woodhouse Tristan Farnon Actor Tony Pitts Richard Alderson Actor Matthew Lewis Hugh Hulton Actor Imogen Clawson Jenny Alderson Actor Patricia Hodge Mrs Pumphrey 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 Jon Furlong Mr Dobson Actor Thomas Riches Jimmy Herriot Actor Sebastian Cardwell Executive Producer Ben Vanstone Writer, Executive Producer Andy Hay Director Brian Percival Director, Executive Producer Colin Callender Executive Producer Melissa Gallant Executive Producer Sharon Moran Executive Producer Alexis Hood Executive Producer Paul Testar Executive Producer Caroline Cooper Charles Executive Producer Greg Barnett Executive Producer Nessah Muthy Writer Neil Jones Writer Susanne Simpson Executive Producer Rebecca Eaton Executive Producer Louise Pedersen Executive Producer David Swetman Executive Producer Yvonne Francas Producer