Are Mark Wystrach and Doc Neeson of the same nationality?
Mark Wystrach Mark Wystrach (born December 17, 1979) is an American actor and country music singer.
Mark Levinson (audio equipment designer) Mark Levinson (born December 11, 1946) is an American audio equipment designer, recording and mastering engineer, multi-instrumentalist musician, and serial entrepreneur responsible for developing some of the most respected products and brand names in the high-performance audio industry.