Mark Arnott

Mark Arnott is an American actor and martial artist. He is best known for his recurring role as Mark on the NBC television show Cheers, and as Jeff Andrews in Return of the Secaucus 7, John Sayles debut film as a director. He did thirty years of other TV shows, playing in Joan of Arcadia, The Bernie Mac Show, NYPD Blue, soap operas, Mickey Spillanes Mike Hammer and other movies of the week.

Mark Arnott was born in Chicago, Illinois, USA, the son of copy editor Martha Adelade Arnott and psychologist George Peter Arnott. He has one brother, Michael. Mark attended Dartmouth College in New Hampshire as a member of the class of 1972, but took some time off to travel the country in the late 60s and build two Harlequin Dinner Theaters, one in Rockville, MD and one in Atlanta, before graduating with the class of 1975 Dartmouth gave him a Marcus Heiman Award which grant enabled him to study with Stella Adler in NY.

Source: Wikipedia