ट्रिविया

Apart from acting, he coaches the basketball team of a private all-girls Catholic high school in Los Angeles, California.

Played shooting guard and small forward for the Wake Forest Demon Deacons from 1990-1994 and started alongside Tim Duncan. He had a career total of 387 points, 187 rebounds, and 114 assists in 89 games played.

Marc's father is of half Polish and half Slovak descent. Marc's maternal grandfather was of English and Scottish ancestry, and Marc's maternal grandmother was the daughter of Serbian parents.

Filmed one scene for House on Haunted Hill (1999), but it was cut from the theatrical release. The scene is featured on the DVD's deleted scenes section.

Mark is a member of Sigma Phi Epsilon Fraternity Wake Forest University '94

Named #6 of the Top Ten Sexiest Men of the Buffy the Vampire Slayer (1997)/Angel (1999) universe in a fan poll by the Buffy the Vampire Slayer fanzine (2004).

Son-in-law of Dayle Haddon.

Born on the same date as Amanda Peet.