Darby was born in Santa Monica, California and made his acting debut at the age of 6 months. As a child actor, he appeared in many commercials, films, and tv series but is most known for his role as Israel Boone in the 1964-1970 television series, Daniel Boone with Fess Parker in the title role.
Darby has been currently working on a proposed television seriestentatively titled Hinton's Living History. The pilot episode followshim, his wife, and four children as they travel around the USA to experience history in different ways. Among other locations, he expects to cover Fort Fisher near Wilmington, North Carolina, Fort Boonesborough near Lexington, KY, Jamestown, VA, and a ghost town in California. He is also working with
producer Gail Calloway on a documentary which traces Daniel Boone's journeys.
In addition to all of this, Darby worked on the 2015 mini-series, Texas Rising as President Burnet, and landed the role of Cole Younger in the 2018 film Bill Tilghman and the Outlaws.
“Darby is a long-time friend of the Reel Cowboys are very glad to have given him the Silver Spur Award in 2019.