Brock Kniles is a prominent American pornographic actor specializing in gay and bisexual adult films. Born June 17, 1991, in the United States, he entered the industry around 2010 at approximately nineteen years of age. Standing at five feet eleven inches tall with a weight of one hundred eighty-four pounds, he possesses brown hair, brown eyes, and a white Caucasian ethnicity. Throughout his career, Kniles has performed under various aliases including Austin Matthews, Mason from ChaosMen, Austin Denikk, and Stephan Dallas.
He started as a crossover performer doing both straight and gay scenes but has since focused more on gay content, exploring kinky themes such as fisting. Active for over fifteen years, he has collaborated with numerous studios and remains relevant in the adult entertainment scene into 2026. His versatile performances and physical attributes have earned him a dedicated following among fans of the genre.