Peter Hermann

Peter Hermann (born August 15, 1967) is an American actor. He is known for his television roles as Charles Brooks in Younger, Trevor Langan in Law & Order: Special Victims Unit, and Jack Boyle in Blue Bloods.

Early life Hermann was born in New York City to German parents and moved to Germany when he was two months old. He lived in Germany until he was 10; he then learned English upon returning to the United States. He attended Yale University. After college, he taught high school English through Teach For America. He also worked as a fact-checker for Vanity Fair.

Career Hermann had brief stints on a variety of television shows that include the soap opera Guiding Light (1997–1998), the ABC Family show Beautiful People (2006) and the Lifetime original series Angela's Eyes (2006).

Since 2002, Hermann has had a recurring role as defense attorney Trevor Langan on Law & Order: Special Victims Unit.

Hermann has made appearances in several commercials, such as the anti-tobacco "Fair Enough" ads, and has been the face for Persil ProClean detergent since the late 2010s.

In 2006, he starred as Jeremy Glick in the feature film United 93.

Hermann was in the Broadway premiere of Eric Bogosian's Talk Radio, starring Liev Schreiber, and featuring fellow Law & Order: Special Victims Unit cast member Stephanie March. It began performances on February 15, 2007, in preparation for a March 11 opening; its final Broadway performance was on June 24, 2007.

He also guested on 30 Rock during its first season and starred in ABC's mid-season replacement series Cashmere Mafia as Davis Draper. In 2011, he appeared in the Broadway play War Horse, and made occasional appearances as Erin Reagan's ex-husband John "Jack" Boyle on Blue Bloods.

From 2015 to 2021, he starred in Younger. In March 2018, HarperCollins published Hermann's children's book If the S in Moose Comes Loose. He was a guest actor in season 2 of And Just Like That....

Personal life While appearing on Law & Order: Special Victims Unit, Hermann met lead actress Mariska Hargitay, whom he married on August 28, 2004, in Santa Barbara, California. They have a son. In April 2011, Hargitay and Hermann adopted a baby girl and six months later, the couple adopted a baby boy.

Filmography Film Year Film Role Notes 2002 Swimfan ER Doctor 2004 Duane Incarnate Duane 2006 The Treatment Steve United 93 Jeremy Glick 2010 Edge of Darkness Sanderman Just Wright Dr. Taylor 2011 Too Big to Fail Christopher Cox 2012 Trouble with the Curve Greg 2013 Philomena Pete Olsson Chinese Puzzle John All Is Bright Monsieur Tremblay2022 13 Joel Goldman Goodnight Mommy Father

Television Year Film Role Notes 1997–1998 Guiding Light Dr. Michael Burke 42 episodes 1999 Get Real David 3 episodes2000 Law & Order Al Goran Episode: "Mega" Spin City Ed Episode: "Don't Get on the Bus" 2002 Hack Mark Vincenzo Episode: "Obsession" 2002–2026 Law & Order: Special Victims Unit Trevor Langan 36 episodes2003 Sex and the City David Episode: "Hop, Skip and a Week" All My Children Wayne Kabak Episode: "August 22, 2003" 2005 Hope & Faith Brent Episode: "The Halloween Party" 2006 Beautiful People Luke Dalton 6 episodes Standoff Liam Fowler Episode: "Shanghai'd" Angela's Eyes Peter Wagner 4 episodes 2007 30 Rock Gray Episode: "The Head and the Hair" 2008 Cashmere Mafia Davis Draper 7 episodes Fringe Grant Episode: "The Ghost Network" 2009 Bored to Death Gary Episode: "The Alanon Case"2010 The Good Wife Judge Derek Shickel Episode: "Hybristophilia" White Collar Willson Mailer Episode: "Parting Shots" 2011 Curb Your Enthusiasm Business Manager #2 Episode: "Car Periscope" 2011–2012 A Gifted Man Harrison Curtis 5 episodes 2012–2024 Blue Bloods Jack Boyle Recurring 2013 Elementary Detective Craig Basken Episode: "An Unnatural Arrangement" 2015–2021 Younger Charles Brooks Series regular 2023 And Just Like That... George Campbell Episode: "Trick or Treat"