Mark Gregory was born Marco De Gregorio in Rome. After appearing in a number of Italian exploitation films, such as the Thunder trilogy and Castellari's Bronx films, he disappeared from the big screen. In 2013 he committed suicide.
Thunder 3
Movie • 1988
1990: The Bronx Warriors
Movie • 1982
Adam and Eve
Movie • 1983
Escape from the Bronx
Thunder
Thunder 2
Movie • 1987
Afghanistan: The Last War Bus
Movie • 1989
Ten Zan - Ultimate Mission