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.
Filmography
1990: The Bronx Warriors
as Trash
Escape from the Bronx
as Trash
Thunder
as Thunder
Adam and Eve
as Adam
Thunder 2
as Thunder
Thunder 3
as Thunder
Just A Damned Soldier
as Mark
Ten Zan - Ultimate Mission
as Jason
Afghanistan: The Last War Bus
as Johnny Hondo