Christopher Timothy James Herriot Actor Robert Hardy Siegfried Farnon Actor Peter Davison Tristan Farnon Actor Mary Hignett Actor Lynda Bellingham Actor Carol Drinkwater Actor David King Actor Lois Baxter Actor Tom Mennard Actor Joan Young Actor John Sharp Actor Peggy Ann Wood Actor Al Gillyon Actor Judi Maynard Actor Sandra Payne Actor Maggie Ollerenshaw Actor Valerie Sarruf Actor Raymond Witch Actor Terry Waddington Actor Paul Clayton Actor Richard Bramall Director Michael Hayes Director Christopher Barry Director Terence Dudley Director, Writer James Herriot Writer William Humble Writer Brian Finch Writer Johnny Byrne Writer Anthony Steven Writer