All Creatures Great and Small (TV series) that be wanted to cast the role. Sellars, instead, asked Timothy if he would accept the role of Tristan Farnon. "I had a wife, I had children, I had a mortgage to pay, and I wasn't working. So I said, 'No. It's Herriot or nothing.'" Timothy put everything on the line. "I got home one night, at about 9 o'clock. My wife was washing up in the kitchen. I walked into the kitchen and she said, without turning round, 'You've got the Herriot part.'" Timothy also stated that, after all of the roles had been cast except that of Herriot,
All Creatures Great and Small (TV series) getting his costumes from Carters Country Wear in Helmsley," recalled costume designer Janice Rider in 2016. "I purchased his green tweed jacket and several waistcoats in a selection of bottle-green, fawn and mustard colours. He always wore Tattersall checked shirts and, apart from the shape of the collar, they haven't changed a great deal over the years." A bachelor at the time, Siegfried took over Skeldale House from another vet, named Grant. In the 1983 Christmas Special, Siegfried meets an old flame, Caroline Fisher, who has returned after living in America. They later marry and have children, as mentioned in