Gregory is married to Cherie Martin, his producing partner and marketing executive, and has one son, Connor Martin, a student in creative writing in film and television at The University of The Arts, Philadelphia.
Played the title role in "Hamlet" at the age of 25.
Worked alongside actors of the caliber of Daniel Day-Lewis, Kevin Spacey, Ellen De Generes, Keanu Reeves, Chevy Chase, Hank Azaria, Ginacarlo Giannini, Daryl Hannah, Michael McKean, Helen Hunt, and the late Anthony Quinn.