According to The Video Guide, Arness once talked about his experiences with horses long before his time on Gunsmoke. He recalled all of the tricks that they were able to do, including untying knots.

Taylor first appeared as Newly O’Brien on Gunsmoke in season 13. However, it would become a long-term role that ran until season 20 in 1975. Newly came to Dodge City as a gunsmith, but he would ...