Trivia

Graduated from Princeton University class of 1993.

Was a wrestler in High School and won the State Championship.

Is a constant supporter and activist for AIDS charities.

Most of the people in his family are lawyers.

Father of Lila Jane and Frisco Jones.

Is occasionally misidentified as being the son of actor Harvey Fierstein. His father's name is actually Harvey Feuerstein.

When director Nancy Meyers was casting Ce que veulent les femmes (2000) her daughter recognized Feuerstein from Les ensorceleuses (1998) and other endeavors. She insisted that her mother cast him.

Most favorite role was the weaselly junior suit in Albert Brooks' La muse (1999) Most hated role was the short-term sex partner who Cynthia Nixon had to fake orgasms for on Sex and the City (1998).

Won a full scholarship to the London School of Dramatic Arts and studied with the top clown teacher at Ecole Phillipe Gaulier in France.

Was named one of People's 50 Most Beautiful People in 2003.

Is often photographed either shirtless or wearing a bow-tie.

He is of Eastern European Jewish descent (including ancestors from Odessa and Galicia).

A New York writer mentioned that even though he was dubbed a "sitcom jinx" in many circles, it never stopped him from being hired for another one. He has remained consistently employed in TV and film for over 25 years.

His brother is a successful real estate attorney.

Was given the nickname of "Chaplin" on the set of Giving It Up (1999) for his uncanny knack with physical slapstick by the writer/director Christopher Kublan.

Appeared with Lauren Graham in both Caroline in the City (1995) as the lead's love interests and Conrad Bloom (1998) as the stars.

He was named "It Phoenix" by the June 30th 2000 issue of Entertainment Weekly due to his rise from the ashes after the demise of his NBC sitcom Conrad Bloom (1998).

He has played executives in an advertising company dealing with women issues in Conrad Bloom (1998), Giving It Up (1999), and Ce que veulent les femmes (2000).

Top three favorite movies are Annie Hall (1977), Le Parrain (1972), and Rocky (1976).

Wrote an 193-page school thesis: "Every Man is A King: An Actor's Journal."

The underrated cult-hit Fired Up (1997) was canceled after a little over a season and a half. The disappointing Conrad Bloom (1998) lasted a little less than a whole season. Good Morning, Miami (2002) marked his first successful TV lead.

Was on a panel of judges for a film festival sponsored by Princeton in Hollywood.

Was dubbed by wags as "Murderer of a thousand sit-coms" and "sit-com kryptonite" due to his lack of success as a lead in Conrad Bloom (1998), The Heart Department (2001), and Good Morning, Miami (2002).

[July 2005] Is working on the new medical drama 3 lbs. (2006), exec-produced by Barry Levinson and Tom Fontana, starring Stanley Tucci. Only 8 episodes were produced, before CBS canceled it.

Sit-com switch-hitter whose best success lies in guest-spots and recurring roles (Caroline in the City (1995), Ally McBeal (1997), À la Maison Blanche (1999), and Deuxième chance (1999)) and has struck out as a regular (Fired Up (1997), Conrad Bloom (1998), and Good Morning, Miami (2002)).

Completed production on In Her Shoes (2005). (September 2005)

He and his wife together collaborated on the TV show "9JKL" as it was based on their own life. They both wrote and executive-produced the show. But only Mark acts on it.

His mother is named Audrey.

He originated the role of Uncle Morty in Pulitzer Prize-winning Jules Feiffer's "A Bad Friend".

Currently working on Shut Up and Sing (2006). (October 2005)

Lives in Los Angeles, California, USA.