Mr. Marcus (born September 4, 1970) is the stage name of Jesse Spencer, an American actor and director known for acting in or directing over 1,800 pornographic films. Marcus was born Jesse Spencer in Chicago, IL on September 4, 1970. Before becoming a pornographic actor, he worked as a truck driver. He started work in the pornography industry in 1994. Described as the LL Cool J of porn, he has been married since the early 1990s and has two children.