Peter met wife, Mariska Hargitay, on the set of Law & Order: Special Victims Unit.

Peter attended Yale.

In his spare time, Peter enjoys reading and photography.

Before becoming an actor, Peter taught ESL and Special Ed as part of Teach For America Program. After that, he became a fact checker at Vanity Fair.

Peter speaks three languages: German, Spanish, and French.

Peter has done numerous commercials including one for heart burn medication, NyQuil, and Truth ads. (Non smoking ads)
Engaged to Mariska Hargitay. [April 2004] Is of German heritage. Son-in-law of Mickey Hargitay. His wife, Mariska Hargitay, is expecting their first child [November 30, 2005]. Peter and his wife, Mariska Hargitay, became the parents of a boy on June 28, 2006. He weighed 10 pounds, 9 ounces.