Once he graduated, he attended the Princeton University and also won a scholarship to study at the London School of Dramatic Art. He also studied at the Ecole Phillipe School, from France.
He began acting in the mid-90’s, his first important role being that of Joe DeStefano in the series “Caroline in the city“. Other characters for which he is remembered are that of Conrad Bloom, in the series of the same name; Danny reynolds on “Fired up“; Jake silver on “Good Morning, Miami“; the Dr. Jonathan Seger on “3 lbs.“; or The Hustler on “The Hustler“He currently plays the Dr. Hank Lawson, The protagonist of the series “Royal pains“.
Mark debuted on the big screen alongside Sandra Bullock in the feature film “Practically magic“(1998); later he would work in films like”Giving It Up” (1999); “Rules of Engagement“(2000);”What do women think about?“(2000);”Love with notice“(2000);”In his shoes“(2005); or the independent film”Endurance“(2008).
In his free time, Mark, who is married to the producer Dana Klein, with whom he has two children; enjoys mountain biking, wrestling and dancing (from hip-hop to salsa).