Christopher Timothy James Herriot Actor Robert Hardy Siegfried Farnon Actor Peter Davison Tristan Farnon Actor Lynda Bellingham Actor John McGlynn Actor Margaretta Scott Actor Annette Badland Actor Andrea Gibb Actor Walter Sparrow Actor Tracy Jane White Actor Barry Jackson Actor Ian Bleasdale Actor John Turtle Actor Elizabeth Glennon Actor Marlene Sidaway Actor Teddy Turner Actor Rod Arthur Actor David Hargreaves Actor John Sharp Actor Jill McCullough Actor Michael Brayshaw Director Tony Virgo Director Bob Blagden Director James Herriot Writer Johnny Byrne Writer Roger Davenport Writer Brian Finch Writer Michael Russell Writer Alfred Shaughnessy Writer Anthony Steven Writer Christopher Penfold Writer