Marshall might be primarily known for appearing in such titles as "Cocks of Fury", "Hard Landing", and "The Dildo Voyeur". His impressive resume includes much more than that. He's also known as "Bowie's Singing Soundman" during the "Heroes" tour. He's appeared on the TV show "Charmed" and stars in the full-length documentary video, "The O-boys :Parties, Porn & Politics" which sold out to SRO film festival audiences and won the 1999 AVN Award for best non-porn film.
Marshall has been a soundman for Van Halen, Ozzy Osbourne, David Byrne, The Beach Boys, and Foo Fighters. He appears on E! Entertainment Television as a correspondent and also is a queer activist.