He played Eugene Barkley in the first season of the American western television series The Big Valley.

[3] He eventually got the role of Eugene Barkley in the new ABC western television series The Big Valley.

[3] While appearing in The Big Valley, Briles received a draft notice in 1965[2] and had to leave the show.

[2][3] His character on The Big Valley was written out of the show, as Eugene Barkley went to study medicine in Berkeley.

[2][3] Briles died in June 2016 of congestive heart failure in Portland, Oregon, at the age of 70.