John Preston Andrew Jackson Rylee (?? - ??) American Actor. He rode a horse named "Dynamite" and had a faithful dog named "Captain". Section headingEdit Write the first section of your page here. Section headingEdit Write the second section of your page here. Retrieved from "https://silentwesterns.fandom.com/wiki/John_Preston?oldid=4199" Categories: Actors Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.