Since age 13, Marshal has worked in music, television and film. He was a series regular co-star on the #1 Rated Fox Kids Show, Beetleborgs Metallix. After the show went into syndication in 1998, he took a self-imposed seven-year hiatus. Since his return to acting in 2006, he has added 40 plus films to his credits, with a consistent presence in the Indie Film world. In 2012, he credits included a supporting lead role in sci-fi thriller Them; a hard-hitting Homicide Detective in suspense drama Unreported; a co-starring role in action drama Boost, a supporting role in urban drama Brooklyn Night, and a supporting role in independent thriller The Entitled. In 2013, he has four films opening including the 3D comic book adaptation of The Living Corpse; fantasy sci-fi drama Fate; vampire drama Teeth & Blood with Glenn Plummer, and horror thriller Bunnyman 2. He recently wrapped production on a martial arts series pilot, Clandestine; and an indie film, Vilified. He began shooting a new feature film, Coiled in March 2013. Marshal studied with legendary Bay Area acting coach Jean Shelton, who worked with stage actors Stella Adler, Harold Clurman and Lee Strasberg; and Danny Glover and Howard Hessman.