In 2006, Marc took part in the German Film Anuk, playing the part of Geisterzunge, a tribal medicine-man. Produced by Luke Gasser (who also plays the lead role), the film tells the story of a Bronze Age tribe trying to save itself from eradication by maurauding horsemen. Marc helped to write the soundtrack also, and he sings on the song "On My Own" (which he also wrote) along with Gasser and Doro Pesch. His chanting can also be heard on the film trailer.
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