- BiographyDuring the course of his 1 year acting career, this white pornstar filmed in 4 porn videos, debuting in Legion Of Muscle around '13. Marc O'Brien's favorite activities include Anal Sex, Guy On Guy, Cum on Stomach, Blowjobs, and Cum on Hands. Video content starring Marc was watched 94,428 times, with more than 2.94 Gigs of video being transferred. Other actors co-starring together with Marc O'Brien include, most notably, Hans Brooks, Fredy Costa, Hugo Griego, Brandon Angelo, and Kevin Cage.
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